{"id":3508,"date":"2026-09-07T15:06:32","date_gmt":"2026-09-07T15:06:32","guid":{"rendered":"https:\/\/ultrasuonindt.it\/nist-traceability-and-mil-std-45662a\/"},"modified":"2026-09-13T01:37:05","modified_gmt":"2026-09-13T01:37:05","slug":"nist-traceability-and-mil-std-45662a","status":"publish","type":"page","link":"https:\/\/ultrasuonindt.it\/en\/ndt-technologies-and-standards\/qualifica-di-personale-e-strumenti\/nist-traceability-and-mil-std-45662a\/","title":{"rendered":"NIST traceability and MIL-STD-45662A"},"content":{"rendered":"\n<div class=\"wp-block-columns are-vertically-aligned-top is-layout-flex wp-container-core-columns-is-layout-7387b849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-top is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:36%\">\n<figure class=\"wp-block-image size-large has-custom-border\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"700\" height=\"700\" src=\"https:\/\/i0.wp.com\/ultrasuonindt.it\/wp-content\/uploads\/2026\/05\/dakota_ndt-blocchetti_di_calibrazione-web-700x700-1.webp?resize=700%2C700&#038;ssl=1\" alt=\"Calibration blocks with certificate for ultrasonic thickness gauges\" class=\"wp-image-1583\" style=\"border-color:#000000;border-width:1px;border-radius:15px\" srcset=\"https:\/\/i0.wp.com\/ultrasuonindt.it\/wp-content\/uploads\/2026\/05\/dakota_ndt-blocchetti_di_calibrazione-web-700x700-1.webp?w=700&amp;ssl=1 700w, https:\/\/i0.wp.com\/ultrasuonindt.it\/wp-content\/uploads\/2026\/05\/dakota_ndt-blocchetti_di_calibrazione-web-700x700-1.webp?resize=300%2C300&amp;ssl=1 300w, https:\/\/i0.wp.com\/ultrasuonindt.it\/wp-content\/uploads\/2026\/05\/dakota_ndt-blocchetti_di_calibrazione-web-700x700-1.webp?resize=150%2C150&amp;ssl=1 150w\" sizes=\"auto, (max-width: 700px) 100vw, 700px\" \/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:4%\"><\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-top is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:60%\">\n<div class=\"wp-block-group has-background is-layout-flow wp-block-group-is-layout-flow\" style=\"border-top-right-radius:6px;border-bottom-right-radius:6px;border-left-color:#225f78;border-left-width:6px;background-color:#ebf1f4;padding-top:24px;padding-right:28px;padding-bottom:24px;padding-left:28px\">\n<p class=\"has-text-color wp-block-paragraph\" style=\"color:#225f78;font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.408), 18px);font-style:italic;font-weight:400;line-height:1.6\">Traceability is a property of the measurement result, not a badge on the instrument. And the military standard that many specifications still cite was cancelled long ago. <\/p>\n<\/div>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<ul class=\"wp-block-list\" style=\"list-style:none;padding-left:0px;line-height:1.6\">\n<li style=\"list-style:none\"><strong style=\"color:#225f78\">\u2713<\/strong> VIM definition: documented, unbroken chain of calibrations<\/li>\n\n\n\n<li style=\"list-style:none\"><strong style=\"color:#225f78\">\u2713<\/strong> NIST does not certify the traceability of measurements it does not itself perform<\/li>\n\n\n\n<li style=\"list-style:none\"><strong style=\"color:#225f78\">\u2713<\/strong> MIL-STD-45662A, Rev. A of 1988: cancelled<\/li>\n\n\n\n<li style=\"list-style:none\"><strong style=\"color:#225f78\">\u2713<\/strong> Current references: ANSI\/NCSL Z540-1 (then Z540.3), ISO 10012, ISO\/IEC 17025<\/li>\n<\/ul>\n<\/div>\n<\/div>\n\n<p class=\"wp-block-paragraph\">Calibration certificates often carry the phrase &#8220;NIST traceable&#8221;, and specifications just as often refer to MIL-STD-45662A. Both expressions deserve checking, because neither today means what those who write them usually intend. <\/p>\n\n<p class=\"wp-block-paragraph\">Let us start from the definition. According to the VIM, the international vocabulary of metrology, metrological traceability is the <em>\u201cproperty of a measurement result whereby the result can be related to a reference through a documented unbroken chain of calibrations, each contributing to the measurement uncertainty\u201d<\/em>: the &#8220;property of a measurement result whereby the result can be related to a reference through a documented unbroken chain of calibrations, each contributing to the measurement uncertainty&#8221;. <\/p>\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n<div class=\"wp-block-cover is-light popmake-4066 popmake-739\" style=\"border-width:1px;min-height:250px;aspect-ratio:unset;\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"1200\" height=\"250\" class=\"wp-block-cover__image-background wp-image-727 size-full\" alt=\"\" src=\"https:\/\/i0.wp.com\/ultrasuonindt.it\/wp-content\/uploads\/2026\/04\/banner_technical_support_choose_products.png?resize=1200%2C250&#038;ssl=1\" data-object-fit=\"cover\" srcset=\"https:\/\/i0.wp.com\/ultrasuonindt.it\/wp-content\/uploads\/2026\/04\/banner_technical_support_choose_products.png?w=1200&amp;ssl=1 1200w, https:\/\/i0.wp.com\/ultrasuonindt.it\/wp-content\/uploads\/2026\/04\/banner_technical_support_choose_products.png?resize=300%2C63&amp;ssl=1 300w, https:\/\/i0.wp.com\/ultrasuonindt.it\/wp-content\/uploads\/2026\/04\/banner_technical_support_choose_products.png?resize=1024%2C213&amp;ssl=1 1024w, https:\/\/i0.wp.com\/ultrasuonindt.it\/wp-content\/uploads\/2026\/04\/banner_technical_support_choose_products.png?resize=768%2C160&amp;ssl=1 768w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim-30 has-background-dim\" style=\"background-color:#d3d6dc\"><\/span><div class=\"wp-block-cover__inner-container is-layout-constrained wp-container-core-cover-is-layout-15701bb7 wp-block-cover-is-layout-constrained\">\n<p class=\"has-text-align-right has-ti-fg-color is-style-default has-luminous-vivid-amber-color has-text-color has-link-color wp-elements-1 wp-block-paragraph\" style=\"font-size:clamp(21.536px, 1.346rem + ((1vw - 3.2px) * 1.374), 35px);\"><strong>Need help choosing the right product?<\/strong><\/p>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-right is-layout-flex wp-container-core-buttons-is-layout-b507c051 wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button popmake-4066 popmake-739\"><a class=\"wp-block-button__link has-ti-accent-color has-cyan-bluish-gray-background-color has-text-color has-background has-link-color wp-element-button\">Contact us<\/a><\/div>\n<\/div>\n<\/div><\/div>\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n<p class=\"wp-block-paragraph\">NIST itself is explicit on two points. The first: <em>\u201cNIST does not define, specify, assure, or certify metrological traceability of the results of measurements except those that NIST itself provides\u201d<\/em>, that is, &#8220;NIST does not define, specify, assure, or certify metrological traceability of the results of measurements except those that NIST itself provides&#8221;. The second: <em>\u201ctraceability is the property of the result of a measurement, not of an instrument or calibration report or laboratory\u201d<\/em>, that is, &#8220;traceability is the property of the result of a measurement, not of an instrument or calibration report or laboratory&#8221;.  <\/p>\n\n<h2 class=\"wp-block-heading\">MIL-STD-45662A: what happened<\/h2>\n\n<figure class=\"wp-block-table is-style-stripes\"><table class=\"has-fixed-layout\"><thead><tr><th style=\"background-color:#225f78;color:#ffffff;padding:10px\">Item<\/th><th style=\"background-color:#225f78;color:#ffffff;padding:10px\">Item<\/th><\/tr><\/thead><tbody><tr><td>Document<\/td><td>MILITARY STANDARD: CALIBRATION SYSTEM REQUIREMENTS, DoD<\/td><\/tr><tr><td>Revision<\/td><td>Rev. A, 1 August 1988<\/td><\/tr><tr><td>Status<\/td><td>Cancelled, marked as superseded by ISO 10012-1 and ANSI Z540-1<\/td><\/tr><tr><td>Date of supersession<\/td><td>Indication of 20 January 1995, reported by a single source<\/td><\/tr><tr><td>Current references<\/td><td>ANSI\/NCSL Z540-1 (then Z540.3), ISO 10012, ISO\/IEC 17025<\/td><\/tr><\/tbody><\/table><\/figure>\n\n<h2 class=\"wp-block-heading\">What to write in a specification today<\/h2>\n\n<div class=\"wp-block-columns are-vertically-aligned-top is-layout-flex wp-container-core-columns-is-layout-7387b849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-top is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:36%\">\n<figure class=\"wp-block-image size-large has-custom-border\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"960\" height=\"960\" src=\"https:\/\/i0.wp.com\/ultrasuonindt.it\/wp-content\/uploads\/2026\/04\/dakota_ndt-strumenti_di_misura_ad_ultrasuoni-immagine_con_sonda_e_procedura_di_taratura_e_calibrazione-web-960x960-1.webp?resize=960%2C960&#038;ssl=1\" alt=\"Calibration and verification procedure of an ultrasonic instrument\" class=\"wp-image-984\" style=\"border-color:#000000;border-width:1px;border-radius:15px\" srcset=\"https:\/\/i0.wp.com\/ultrasuonindt.it\/wp-content\/uploads\/2026\/04\/dakota_ndt-strumenti_di_misura_ad_ultrasuoni-immagine_con_sonda_e_procedura_di_taratura_e_calibrazione-web-960x960-1.webp?w=960&amp;ssl=1 960w, https:\/\/i0.wp.com\/ultrasuonindt.it\/wp-content\/uploads\/2026\/04\/dakota_ndt-strumenti_di_misura_ad_ultrasuoni-immagine_con_sonda_e_procedura_di_taratura_e_calibrazione-web-960x960-1.webp?resize=300%2C300&amp;ssl=1 300w, https:\/\/i0.wp.com\/ultrasuonindt.it\/wp-content\/uploads\/2026\/04\/dakota_ndt-strumenti_di_misura_ad_ultrasuoni-immagine_con_sonda_e_procedura_di_taratura_e_calibrazione-web-960x960-1.webp?resize=150%2C150&amp;ssl=1 150w, https:\/\/i0.wp.com\/ultrasuonindt.it\/wp-content\/uploads\/2026\/04\/dakota_ndt-strumenti_di_misura_ad_ultrasuoni-immagine_con_sonda_e_procedura_di_taratura_e_calibrazione-web-960x960-1.webp?resize=768%2C768&amp;ssl=1 768w\" sizes=\"auto, (max-width: 960px) 100vw, 960px\" \/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:4%\"><\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-top is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:60%\">\n<p class=\"wp-block-paragraph\">We think it right to say it plainly: <strong>MIL-STD-45662A is cancelled<\/strong>. Revision A is dated 1 August 1988 and is marked as superseded by ISO 10012-1 and ANSI Z540-1; the indication of supersession on 20 January 1995 comes from a single source and we report it as such, not as an established fact. Continuing to cite it in a purchase specification means requiring conformity to a document that is no longer in force.  <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The current references for calibration systems are ANSI\/NCSL Z540-1 and the subsequent Z540.3, ISO 10012 and, for the competence of testing and calibration laboratories, ISO\/IEC 17025. These are the ones to refer to when writing a new requirement. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">As for the wording &#8220;NIST traceable&#8221;, the practical consequence of the two statements quoted above is simple: what makes a certificate defensible is not the name of an institute printed on the cover, but the documented chain of calibrations and the stated uncertainty. Our service is described on the <a href=\"https:\/\/ultrasuonindt.it\/en\/support\/calibrazione-e-taratura\/\">Calibration and setting<\/a> page. <\/p>\n<\/div>\n<\/div>\n\n<h2 class=\"wp-block-heading\">Recommended instruments<\/h2>\n\n<figure class=\"wp-block-table is-style-stripes\"><table class=\"has-fixed-layout\"><thead><tr><th style=\"background-color:#225f78;color:#ffffff;padding:10px\">Item<\/th><th style=\"background-color:#225f78;color:#ffffff;padding:10px\">Use<\/th><\/tr><\/thead><tbody><tr><td><a href=\"https:\/\/ultrasuonindt.it\/prodotti\/sonde-e-accessori\/blocchetti-calibrazione\/\">Calibration blocks<\/a><\/td><td>Physical reference for verifying the measurement chain<\/td><\/tr><tr><td><a href=\"https:\/\/ultrasuonindt.it\/prodotti\/sonde-e-accessori\/trasduttori-spessimetri-precisione\/\">Precision transducers<\/a><\/td><td>Probes used in high-accuracy verifications<\/td><\/tr><tr><td><a href=\"https:\/\/ultrasuonindt.it\/prodotti\/software-e-app\/dakmaster-gestione-dati-e-reportistica\/\">DakMaster<\/a><\/td><td>Data management and production of the measurement documentation<\/td><\/tr><tr><td><a href=\"https:\/\/ultrasuonindt.it\/prodotti\/misuratori-di-spessore\/dakota-pmx2-dl-precisione-universale\/\">Dakota PMX2-DL<\/a><\/td><td>Universal precision gauge with data logger<\/td><\/tr><\/tbody><\/table><\/figure>\n\n<h2 class=\"wp-block-heading\">Frequently asked questions<\/h2>\n\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-1757405501\"><strong class=\"schema-faq-question\">Is MIL-STD-45662A still in force?<\/strong><p class=\"schema-faq-answer\">No. Revision A, dated 1 August 1988, is cancelled and marked as superseded by ISO 10012-1 and ANSI Z540-1. There is also an indication of supersession on 20 January 1995, which we report as coming from a single source.  <\/p><\/div><div class=\"schema-faq-section\" id=\"faq-question-1757405502\"><strong class=\"schema-faq-question\">Which references should be cited instead?<\/strong><p class=\"schema-faq-answer\">The current references for calibration systems: ANSI\/NCSL Z540-1 and the subsequent Z540.3, ISO 10012 and, for the competence of testing and calibration laboratories, ISO\/IEC 17025.<\/p><\/div><div class=\"schema-faq-section\" id=\"faq-question-1757405503\"><strong class=\"schema-faq-question\">What does &#8220;NIST traceable&#8221; really mean?<\/strong><p class=\"schema-faq-answer\">NIST states that it does not define, specify, assure or certify the metrological traceability of measurement results other than those it provides itself, and makes clear that traceability is a property of the result of a measurement, not of an instrument, a calibration report or a laboratory.<\/p><\/div><\/div>\n\n<p class=\"wp-block-paragraph\">Back to <a href=\"https:\/\/ultrasuonindt.it\/en\/ndt-technologies-and-standards\/qualifica-di-personale-e-strumenti\/\">Personnel and instrument qualification<\/a> or write to us from the <a href=\"https:\/\/ultrasuonindt.it\/en\/contact\/\">Contact<\/a> page.<\/p>\n\n<div class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\">\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h5 class=\"wp-block-heading\">Further information and contacts <\/h5>\n\n\n\n<p class=\"has-small-font-size wp-block-paragraph\"><a href=\"http:\/\/www.roder.it\">Systems division and sensor integration partner : www.roder.it<\/a><br\/><a href=\"https:\/\/ultrasuonindt.it\/chi-siamo\/\">More information about RODER SRL : about us<\/a><br\/>Contact for general information : <a href=\"mailto:info@roder.it\">info@roder.it<\/a><br\/>Contact for information about these products : <a href=\"mailto:info@roder.it\">info@roder.it<\/a><\/p>\n\n\n\n<p class=\"has-small-font-size wp-block-paragraph\"><br\/>The information contained on this web page is provided for information purposes only. Although it has been compiled with the utmost care, it does not constitute a contractual offer or a binding commitment to supply. It may contain transcription, translation or typographical errors. For precise and up-to-date information, please contact our company directly.    <\/p>\n\n\n\n<p class=\"has-small-font-size wp-block-paragraph\">Some images on this website have been intentionally generated using Artificial Intelligence (AI). This is because, for many applications and projects, it is not possible to disclose photographs of the installation or of the actual system due to confidentiality agreements, confidentiality clauses and non-disclosure agreements (NDAs). <\/p>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Traceability is a property of the measurement result, not a badge on the instrument. And the military standard that many specifications still cite was cancelled long ago. Calibration certificates often carry the phrase &#8220;NIST traceable&#8221;, and specifications just as often refer to MIL-STD-45662A. Both expressions deserve checking, because neither today means what those who write [&hellip;]<\/p>\n","protected":false},"author":157040980,"featured_media":2748,"parent":4673,"menu_order":3,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_yoast_wpseo_focuskw":"","_yoast_wpseo_title":"","_yoast_wpseo_metadesc":"Traceability is a documented chain of calibrations, not a badge: why MIL-STD-45662A is cancelled and which references apply today.","_wpcom_ai_launchpad_about_page":false,"_wpcom_ai_launchpad_gallery_page":false,"_wpcom_ai_launchpad_contact_page":false,"_wpcom_ai_launchpad_events_page":false,"_wpcom_ai_launchpad_video_page":false,"_wpcom_ai_launchpad_portfolio_piece":false,"footnotes":""},"class_list":["post-3508","page","type-page","status-publish","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>NIST traceability and MIL-STD-45662A - ULTRASUONI NDT<\/title>\n<meta name=\"description\" content=\"Traceability is a documented chain of calibrations, not a badge: why MIL-STD-45662A is cancelled and which references apply today.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/ultrasuonindt.it\/en\/ndt-technologies-and-standards\/qualifica-di-personale-e-strumenti\/nist-traceability-and-mil-std-45662a\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"NIST traceability and MIL-STD-45662A - ULTRASUONI NDT\" \/>\n<meta property=\"og:description\" content=\"Traceability is a documented chain of calibrations, not a badge: why MIL-STD-45662A is cancelled and which references apply today.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/ultrasuonindt.it\/en\/ndt-technologies-and-standards\/qualifica-di-personale-e-strumenti\/nist-traceability-and-mil-std-45662a\/\" \/>\n<meta property=\"og:site_name\" content=\"ULTRASUONI NDT\" \/>\n<meta property=\"article:modified_time\" content=\"2026-09-13T01:37:05+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/i0.wp.com\/ultrasuonindt.it\/wp-content\/uploads\/2026\/05\/dakota_ndt-blocchetti_di_calibrazione-web-700x700-1.webp?fit=700%2C700&ssl=1\" \/>\n\t<meta property=\"og:image:width\" content=\"700\" \/>\n\t<meta property=\"og:image:height\" content=\"700\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":[\"WebPage\",\"FAQPage\"],\"@id\":\"https:\\\/\\\/ultrasuonindt.it\\\/en\\\/ndt-technologies-and-standards\\\/qualifica-di-personale-e-strumenti\\\/nist-traceability-and-mil-std-45662a\\\/\",\"url\":\"https:\\\/\\\/ultrasuonindt.it\\\/en\\\/ndt-technologies-and-standards\\\/qualifica-di-personale-e-strumenti\\\/nist-traceability-and-mil-std-45662a\\\/\",\"name\":\"NIST traceability and MIL-STD-45662A - ULTRASUONI NDT\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/ultrasuonindt.it\\\/en\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/ultrasuonindt.it\\\/en\\\/ndt-technologies-and-standards\\\/qualifica-di-personale-e-strumenti\\\/nist-traceability-and-mil-std-45662a\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/ultrasuonindt.it\\\/en\\\/ndt-technologies-and-standards\\\/qualifica-di-personale-e-strumenti\\\/nist-traceability-and-mil-std-45662a\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/i0.wp.com\\\/ultrasuonindt.it\\\/wp-content\\\/uploads\\\/2026\\\/05\\\/dakota_ndt-blocchetti_di_calibrazione-web-700x700-1.webp?fit=700%2C700&ssl=1\",\"datePublished\":\"2026-09-07T15:06:32+00:00\",\"dateModified\":\"2026-09-13T01:37:05+00:00\",\"description\":\"Traceability is a documented chain of calibrations, not a badge: why MIL-STD-45662A is cancelled and which references apply today.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/ultrasuonindt.it\\\/en\\\/ndt-technologies-and-standards\\\/qualifica-di-personale-e-strumenti\\\/nist-traceability-and-mil-std-45662a\\\/#breadcrumb\"},\"mainEntity\":[{\"@id\":\"https:\\\/\\\/ultrasuonindt.it\\\/en\\\/ndt-technologies-and-standards\\\/qualifica-di-personale-e-strumenti\\\/nist-traceability-and-mil-std-45662a\\\/#faq-question-1757405501\"},{\"@id\":\"https:\\\/\\\/ultrasuonindt.it\\\/en\\\/ndt-technologies-and-standards\\\/qualifica-di-personale-e-strumenti\\\/nist-traceability-and-mil-std-45662a\\\/#faq-question-1757405502\"},{\"@id\":\"https:\\\/\\\/ultrasuonindt.it\\\/en\\\/ndt-technologies-and-standards\\\/qualifica-di-personale-e-strumenti\\\/nist-traceability-and-mil-std-45662a\\\/#faq-question-1757405503\"}],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/ultrasuonindt.it\\\/en\\\/ndt-technologies-and-standards\\\/qualifica-di-personale-e-strumenti\\\/nist-traceability-and-mil-std-45662a\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/ultrasuonindt.it\\\/en\\\/ndt-technologies-and-standards\\\/qualifica-di-personale-e-strumenti\\\/nist-traceability-and-mil-std-45662a\\\/#primaryimage\",\"url\":\"https:\\\/\\\/i0.wp.com\\\/ultrasuonindt.it\\\/wp-content\\\/uploads\\\/2026\\\/05\\\/dakota_ndt-blocchetti_di_calibrazione-web-700x700-1.webp?fit=700%2C700&ssl=1\",\"contentUrl\":\"https:\\\/\\\/i0.wp.com\\\/ultrasuonindt.it\\\/wp-content\\\/uploads\\\/2026\\\/05\\\/dakota_ndt-blocchetti_di_calibrazione-web-700x700-1.webp?fit=700%2C700&ssl=1\",\"width\":700,\"height\":700,\"caption\":\"Dakota NDT calibration blocks\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/ultrasuonindt.it\\\/en\\\/ndt-technologies-and-standards\\\/qualifica-di-personale-e-strumenti\\\/nist-traceability-and-mil-std-45662a\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/ultrasuonindt.it\\\/en\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"NDT Technologies and Standards\",\"item\":\"https:\\\/\\\/ultrasuonindt.it\\\/en\\\/ndt-technologies-and-standards\\\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Qualification of personnel and instruments\",\"item\":\"https:\\\/\\\/ultrasuonindt.it\\\/en\\\/ndt-technologies-and-standards\\\/qualifica-di-personale-e-strumenti\\\/\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"NIST traceability and MIL-STD-45662A\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/ultrasuonindt.it\\\/en\\\/#website\",\"url\":\"https:\\\/\\\/ultrasuonindt.it\\\/en\\\/\",\"name\":\"ULTRASUONI NDT\",\"description\":\"\",\"publisher\":{\"@id\":\"https:\\\/\\\/ultrasuonindt.it\\\/en\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/ultrasuonindt.it\\\/en\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/ultrasuonindt.it\\\/en\\\/#organization\",\"name\":\"RODER SRL\",\"url\":\"https:\\\/\\\/ultrasuonindt.it\\\/en\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/ultrasuonindt.it\\\/en\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/i0.wp.com\\\/ultrasuonindt.it\\\/wp-content\\\/uploads\\\/2026\\\/04\\\/logo_ultrasuoni_ndt.png?fit=1000%2C330&ssl=1\",\"contentUrl\":\"https:\\\/\\\/i0.wp.com\\\/ultrasuonindt.it\\\/wp-content\\\/uploads\\\/2026\\\/04\\\/logo_ultrasuoni_ndt.png?fit=1000%2C330&ssl=1\",\"width\":1000,\"height\":330,\"caption\":\"RODER SRL\"},\"image\":{\"@id\":\"https:\\\/\\\/ultrasuonindt.it\\\/en\\\/#\\\/schema\\\/logo\\\/image\\\/\"},\"sameAs\":[\"https:\\\/\\\/www.linkedin.com\\\/company\\\/roder-srl\"]},{\"@type\":\"Question\",\"@id\":\"https:\\\/\\\/ultrasuonindt.it\\\/en\\\/ndt-technologies-and-standards\\\/qualifica-di-personale-e-strumenti\\\/nist-traceability-and-mil-std-45662a\\\/#faq-question-1757405501\",\"position\":1,\"url\":\"https:\\\/\\\/ultrasuonindt.it\\\/en\\\/ndt-technologies-and-standards\\\/qualifica-di-personale-e-strumenti\\\/nist-traceability-and-mil-std-45662a\\\/#faq-question-1757405501\",\"name\":\"Is MIL-STD-45662A still in force?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No. Revision A, dated 1 August 1988, is cancelled and marked as superseded by ISO 10012-1 and ANSI Z540-1. There is also an indication of supersession on 20 January 1995, which we report as coming from a single source.  \",\"inLanguage\":\"en-US\"},\"inLanguage\":\"en-US\"},{\"@type\":\"Question\",\"@id\":\"https:\\\/\\\/ultrasuonindt.it\\\/en\\\/ndt-technologies-and-standards\\\/qualifica-di-personale-e-strumenti\\\/nist-traceability-and-mil-std-45662a\\\/#faq-question-1757405502\",\"position\":2,\"url\":\"https:\\\/\\\/ultrasuonindt.it\\\/en\\\/ndt-technologies-and-standards\\\/qualifica-di-personale-e-strumenti\\\/nist-traceability-and-mil-std-45662a\\\/#faq-question-1757405502\",\"name\":\"Which references should be cited instead?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"The current references for calibration systems: ANSI\\\/NCSL Z540-1 and the subsequent Z540.3, ISO 10012 and, for the competence of testing and calibration laboratories, ISO\\\/IEC 17025.\",\"inLanguage\":\"en-US\"},\"inLanguage\":\"en-US\"},{\"@type\":\"Question\",\"@id\":\"https:\\\/\\\/ultrasuonindt.it\\\/en\\\/ndt-technologies-and-standards\\\/qualifica-di-personale-e-strumenti\\\/nist-traceability-and-mil-std-45662a\\\/#faq-question-1757405503\",\"position\":3,\"url\":\"https:\\\/\\\/ultrasuonindt.it\\\/en\\\/ndt-technologies-and-standards\\\/qualifica-di-personale-e-strumenti\\\/nist-traceability-and-mil-std-45662a\\\/#faq-question-1757405503\",\"name\":\"What does \\\"NIST traceable\\\" really mean?\",\"answerCount\":1,\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"NIST states that it does not define, specify, assure or certify the metrological traceability of measurement results other than those it provides itself, and makes clear that traceability is a property of the result of a measurement, not of an instrument, a calibration report or a laboratory.\",\"inLanguage\":\"en-US\"},\"inLanguage\":\"en-US\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"NIST traceability and MIL-STD-45662A - ULTRASUONI NDT","description":"Traceability is a documented chain of calibrations, not a badge: why MIL-STD-45662A is cancelled and which references apply today.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/ultrasuonindt.it\/en\/ndt-technologies-and-standards\/qualifica-di-personale-e-strumenti\/nist-traceability-and-mil-std-45662a\/","og_locale":"en_US","og_type":"article","og_title":"NIST traceability and MIL-STD-45662A - ULTRASUONI NDT","og_description":"Traceability is a documented chain of calibrations, not a badge: why MIL-STD-45662A is cancelled and which references apply today.","og_url":"https:\/\/ultrasuonindt.it\/en\/ndt-technologies-and-standards\/qualifica-di-personale-e-strumenti\/nist-traceability-and-mil-std-45662a\/","og_site_name":"ULTRASUONI NDT","article_modified_time":"2026-09-13T01:37:05+00:00","og_image":[{"width":700,"height":700,"url":"https:\/\/i0.wp.com\/ultrasuonindt.it\/wp-content\/uploads\/2026\/05\/dakota_ndt-blocchetti_di_calibrazione-web-700x700-1.webp?fit=700%2C700&ssl=1","type":"image\/webp"}],"twitter_card":"summary_large_image","twitter_misc":{"Est. reading time":"3 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":["WebPage","FAQPage"],"@id":"https:\/\/ultrasuonindt.it\/en\/ndt-technologies-and-standards\/qualifica-di-personale-e-strumenti\/nist-traceability-and-mil-std-45662a\/","url":"https:\/\/ultrasuonindt.it\/en\/ndt-technologies-and-standards\/qualifica-di-personale-e-strumenti\/nist-traceability-and-mil-std-45662a\/","name":"NIST traceability and MIL-STD-45662A - ULTRASUONI NDT","isPartOf":{"@id":"https:\/\/ultrasuonindt.it\/en\/#website"},"primaryImageOfPage":{"@id":"https:\/\/ultrasuonindt.it\/en\/ndt-technologies-and-standards\/qualifica-di-personale-e-strumenti\/nist-traceability-and-mil-std-45662a\/#primaryimage"},"image":{"@id":"https:\/\/ultrasuonindt.it\/en\/ndt-technologies-and-standards\/qualifica-di-personale-e-strumenti\/nist-traceability-and-mil-std-45662a\/#primaryimage"},"thumbnailUrl":"https:\/\/i0.wp.com\/ultrasuonindt.it\/wp-content\/uploads\/2026\/05\/dakota_ndt-blocchetti_di_calibrazione-web-700x700-1.webp?fit=700%2C700&ssl=1","datePublished":"2026-09-07T15:06:32+00:00","dateModified":"2026-09-13T01:37:05+00:00","description":"Traceability is a documented chain of calibrations, not a badge: why MIL-STD-45662A is cancelled and which references apply today.","breadcrumb":{"@id":"https:\/\/ultrasuonindt.it\/en\/ndt-technologies-and-standards\/qualifica-di-personale-e-strumenti\/nist-traceability-and-mil-std-45662a\/#breadcrumb"},"mainEntity":[{"@id":"https:\/\/ultrasuonindt.it\/en\/ndt-technologies-and-standards\/qualifica-di-personale-e-strumenti\/nist-traceability-and-mil-std-45662a\/#faq-question-1757405501"},{"@id":"https:\/\/ultrasuonindt.it\/en\/ndt-technologies-and-standards\/qualifica-di-personale-e-strumenti\/nist-traceability-and-mil-std-45662a\/#faq-question-1757405502"},{"@id":"https:\/\/ultrasuonindt.it\/en\/ndt-technologies-and-standards\/qualifica-di-personale-e-strumenti\/nist-traceability-and-mil-std-45662a\/#faq-question-1757405503"}],"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/ultrasuonindt.it\/en\/ndt-technologies-and-standards\/qualifica-di-personale-e-strumenti\/nist-traceability-and-mil-std-45662a\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/ultrasuonindt.it\/en\/ndt-technologies-and-standards\/qualifica-di-personale-e-strumenti\/nist-traceability-and-mil-std-45662a\/#primaryimage","url":"https:\/\/i0.wp.com\/ultrasuonindt.it\/wp-content\/uploads\/2026\/05\/dakota_ndt-blocchetti_di_calibrazione-web-700x700-1.webp?fit=700%2C700&ssl=1","contentUrl":"https:\/\/i0.wp.com\/ultrasuonindt.it\/wp-content\/uploads\/2026\/05\/dakota_ndt-blocchetti_di_calibrazione-web-700x700-1.webp?fit=700%2C700&ssl=1","width":700,"height":700,"caption":"Dakota NDT calibration blocks"},{"@type":"BreadcrumbList","@id":"https:\/\/ultrasuonindt.it\/en\/ndt-technologies-and-standards\/qualifica-di-personale-e-strumenti\/nist-traceability-and-mil-std-45662a\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/ultrasuonindt.it\/en\/"},{"@type":"ListItem","position":2,"name":"NDT Technologies and Standards","item":"https:\/\/ultrasuonindt.it\/en\/ndt-technologies-and-standards\/"},{"@type":"ListItem","position":3,"name":"Qualification of personnel and instruments","item":"https:\/\/ultrasuonindt.it\/en\/ndt-technologies-and-standards\/qualifica-di-personale-e-strumenti\/"},{"@type":"ListItem","position":4,"name":"NIST traceability and MIL-STD-45662A"}]},{"@type":"WebSite","@id":"https:\/\/ultrasuonindt.it\/en\/#website","url":"https:\/\/ultrasuonindt.it\/en\/","name":"ULTRASUONI NDT","description":"","publisher":{"@id":"https:\/\/ultrasuonindt.it\/en\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/ultrasuonindt.it\/en\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/ultrasuonindt.it\/en\/#organization","name":"RODER SRL","url":"https:\/\/ultrasuonindt.it\/en\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/ultrasuonindt.it\/en\/#\/schema\/logo\/image\/","url":"https:\/\/i0.wp.com\/ultrasuonindt.it\/wp-content\/uploads\/2026\/04\/logo_ultrasuoni_ndt.png?fit=1000%2C330&ssl=1","contentUrl":"https:\/\/i0.wp.com\/ultrasuonindt.it\/wp-content\/uploads\/2026\/04\/logo_ultrasuoni_ndt.png?fit=1000%2C330&ssl=1","width":1000,"height":330,"caption":"RODER SRL"},"image":{"@id":"https:\/\/ultrasuonindt.it\/en\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.linkedin.com\/company\/roder-srl"]},{"@type":"Question","@id":"https:\/\/ultrasuonindt.it\/en\/ndt-technologies-and-standards\/qualifica-di-personale-e-strumenti\/nist-traceability-and-mil-std-45662a\/#faq-question-1757405501","position":1,"url":"https:\/\/ultrasuonindt.it\/en\/ndt-technologies-and-standards\/qualifica-di-personale-e-strumenti\/nist-traceability-and-mil-std-45662a\/#faq-question-1757405501","name":"Is MIL-STD-45662A still in force?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"No. Revision A, dated 1 August 1988, is cancelled and marked as superseded by ISO 10012-1 and ANSI Z540-1. There is also an indication of supersession on 20 January 1995, which we report as coming from a single source.  ","inLanguage":"en-US"},"inLanguage":"en-US"},{"@type":"Question","@id":"https:\/\/ultrasuonindt.it\/en\/ndt-technologies-and-standards\/qualifica-di-personale-e-strumenti\/nist-traceability-and-mil-std-45662a\/#faq-question-1757405502","position":2,"url":"https:\/\/ultrasuonindt.it\/en\/ndt-technologies-and-standards\/qualifica-di-personale-e-strumenti\/nist-traceability-and-mil-std-45662a\/#faq-question-1757405502","name":"Which references should be cited instead?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"The current references for calibration systems: ANSI\/NCSL Z540-1 and the subsequent Z540.3, ISO 10012 and, for the competence of testing and calibration laboratories, ISO\/IEC 17025.","inLanguage":"en-US"},"inLanguage":"en-US"},{"@type":"Question","@id":"https:\/\/ultrasuonindt.it\/en\/ndt-technologies-and-standards\/qualifica-di-personale-e-strumenti\/nist-traceability-and-mil-std-45662a\/#faq-question-1757405503","position":3,"url":"https:\/\/ultrasuonindt.it\/en\/ndt-technologies-and-standards\/qualifica-di-personale-e-strumenti\/nist-traceability-and-mil-std-45662a\/#faq-question-1757405503","name":"What does \"NIST traceable\" really mean?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"NIST states that it does not define, specify, assure or certify the metrological traceability of measurement results other than those it provides itself, and makes clear that traceability is a property of the result of a measurement, not of an instrument, a calibration report or a laboratory.","inLanguage":"en-US"},"inLanguage":"en-US"}]}},"jetpack_likes_enabled":true,"jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/PeHTL3-UA","jetpack-related-posts":[{"id":2135,"url":"https:\/\/ultrasuonindt.it\/tecnologie-e-normative-ndt\/qualifica-di-personale-e-strumenti\/tracciabilita-nist-e-mil-std-45662a\/","url_meta":{"origin":3508,"position":0},"title":"Tracciabilit\u00e0 NIST e MIL-STD-45662A","author":"GSM","date":"7 September 2026","format":false,"excerpt":"La tracciabilit\u00e0 \u00e8 una propriet\u00e0 del risultato di misura, non un marchio dello strumento. E la norma militare che molti capitolati citano ancora \u00e8 annullata da tempo. \u2713\u00a0Definizione VIM: catena documentata e ininterrotta di calibrazioni \u2713\u00a0NIST non certifica la tracciabilit\u00e0 di misure che non esegue essa stessa \u2713\u00a0MIL-STD-45662A, Rev. A\u2026","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"Blocchetti di calibrazione Dakota NDT in acciaio 4340 per taratura spessimetri ultrasonici","src":"https:\/\/i0.wp.com\/ultrasuonindt.it\/wp-content\/uploads\/2026\/05\/dakota_ndt-blocchetti_di_calibrazione-web-700x700-1.webp?fit=700%2C700&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/ultrasuonindt.it\/wp-content\/uploads\/2026\/05\/dakota_ndt-blocchetti_di_calibrazione-web-700x700-1.webp?fit=700%2C700&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/ultrasuonindt.it\/wp-content\/uploads\/2026\/05\/dakota_ndt-blocchetti_di_calibrazione-web-700x700-1.webp?fit=700%2C700&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/ultrasuonindt.it\/wp-content\/uploads\/2026\/05\/dakota_ndt-blocchetti_di_calibrazione-web-700x700-1.webp?fit=700%2C700&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":3511,"url":"https:\/\/ultrasuonindt.it\/fr\/technologies-et-normes-end\/qualifica-di-personale-e-strumenti\/tracabilite-nist-et-mil-std-45662a\/","url_meta":{"origin":3508,"position":1},"title":"Tra\u00e7abilit\u00e9 NIST et MIL-STD-45662A","author":"GSM","date":"7 September 2026","format":false,"excerpt":"La tra\u00e7abilit\u00e9 est une propri\u00e9t\u00e9 du r\u00e9sultat de mesure, non un label appos\u00e9 sur l'appareil. Et la norme militaire que beaucoup de cahiers des charges citent encore est annul\u00e9e depuis longtemps. \u2713 D\u00e9finition du VIM : cha\u00eene document\u00e9e et ininterrompue d'\u00e9talonnages \u2713 Le NIST ne certifie pas la tra\u00e7abilit\u00e9 de\u2026","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"Blocs d'\u00e9talonnage Dakota NDT en acier 4340 pour le r\u00e9glage des \u00e9paisseurm\u00e8tres \u00e0 ultrasons","src":"https:\/\/i0.wp.com\/ultrasuonindt.it\/wp-content\/uploads\/2026\/05\/dakota_ndt-blocchetti_di_calibrazione-web-700x700-1.webp?fit=700%2C700&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/ultrasuonindt.it\/wp-content\/uploads\/2026\/05\/dakota_ndt-blocchetti_di_calibrazione-web-700x700-1.webp?fit=700%2C700&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/ultrasuonindt.it\/wp-content\/uploads\/2026\/05\/dakota_ndt-blocchetti_di_calibrazione-web-700x700-1.webp?fit=700%2C700&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/ultrasuonindt.it\/wp-content\/uploads\/2026\/05\/dakota_ndt-blocchetti_di_calibrazione-web-700x700-1.webp?fit=700%2C700&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":3516,"url":"https:\/\/ultrasuonindt.it\/de\/zfp-technologien-und-normen\/qualifica-di-personale-e-strumenti\/nist-rueckfuehrbarkeit-und-mil-std-45662a\/","url_meta":{"origin":3508,"position":2},"title":"NIST-R\u00fcckf\u00fchrbarkeit und MIL-STD-45662A","author":"GSM","date":"7 September 2026","format":false,"excerpt":"R\u00fcckf\u00fchrbarkeit ist eine Eigenschaft des Messergebnisses, kein Siegel am Ger\u00e4t. Und die Milit\u00e4rnorm, die viele Leistungsverzeichnisse noch zitieren, ist l\u00e4ngst zur\u00fcckgezogen. \u2713 VIM-Definition: dokumentierte, ununterbrochene Kette von Kalibrierungen \u2713 NIST bescheinigt keine R\u00fcckf\u00fchrbarkeit von Messungen, die es nicht selbst durchf\u00fchrt \u2713 MIL-STD-45662A, Rev. A von 1988: zur\u00fcckgezogen \u2713 Aktuelle Regelwerke:\u2026","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"Dakota NDT Kalibrierbl\u00f6cke aus Stahl 4340 zur Justierung von Ultraschall-Dickenmessger\u00e4ten","src":"https:\/\/i0.wp.com\/ultrasuonindt.it\/wp-content\/uploads\/2026\/05\/dakota_ndt-blocchetti_di_calibrazione-web-700x700-1.webp?fit=700%2C700&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/ultrasuonindt.it\/wp-content\/uploads\/2026\/05\/dakota_ndt-blocchetti_di_calibrazione-web-700x700-1.webp?fit=700%2C700&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/ultrasuonindt.it\/wp-content\/uploads\/2026\/05\/dakota_ndt-blocchetti_di_calibrazione-web-700x700-1.webp?fit=700%2C700&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/ultrasuonindt.it\/wp-content\/uploads\/2026\/05\/dakota_ndt-blocchetti_di_calibrazione-web-700x700-1.webp?fit=700%2C700&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":3519,"url":"https:\/\/ultrasuonindt.it\/es\/tecnologias-y-normas-end\/qualifica-di-personale-e-strumenti\/trazabilidad-nist-y-mil-std-45662a\/","url_meta":{"origin":3508,"position":3},"title":"Trazabilidad NIST y MIL-STD-45662A","author":"GSM","date":"7 September 2026","format":false,"excerpt":"La trazabilidad es una propiedad del resultado de medida, no un sello del equipo. Y la norma militar que muchos pliegos siguen citando est\u00e1 anulada desde hace tiempo. \u2713 Definici\u00f3n del VIM: cadena documentada e ininterrumpida de calibraciones \u2713 El NIST no certifica la trazabilidad de medidas que no realiza\u2026","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"Bloques de calibraci\u00f3n Dakota NDT en acero 4340 para el ajuste de medidores de espesor ultras\u00f3nicos","src":"https:\/\/i0.wp.com\/ultrasuonindt.it\/wp-content\/uploads\/2026\/05\/dakota_ndt-blocchetti_di_calibrazione-web-700x700-1.webp?fit=700%2C700&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/ultrasuonindt.it\/wp-content\/uploads\/2026\/05\/dakota_ndt-blocchetti_di_calibrazione-web-700x700-1.webp?fit=700%2C700&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/ultrasuonindt.it\/wp-content\/uploads\/2026\/05\/dakota_ndt-blocchetti_di_calibrazione-web-700x700-1.webp?fit=700%2C700&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/ultrasuonindt.it\/wp-content\/uploads\/2026\/05\/dakota_ndt-blocchetti_di_calibrazione-web-700x700-1.webp?fit=700%2C700&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":5354,"url":"https:\/\/ultrasuonindt.it\/en\/applications\/aerospace-and-defence\/nadcap-and-en-4179-requirements\/","url_meta":{"origin":3508,"position":4},"title":"NADCAP and EN 4179 requirements","author":"GSM","date":"7 September 2026","format":false,"excerpt":"In aerospace the instrument is one link in the chain, not its qualification. Alongside metrological traceability, a written procedure and certified personnel are needed: without them, the inspection does not survive the audit. \u2713 NIST-traceable calibration certificate\u2713 MIL-STD-45662A compliance of the calibration system\u2713 Periodic calibration managed by RODER, with scheduled\u2026","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"Dakota NDT ultrasonic probe during the setting and calibration procedure","src":"https:\/\/i0.wp.com\/ultrasuonindt.it\/wp-content\/uploads\/2026\/04\/dakota_ndt-strumenti_di_misura_ad_ultrasuoni-immagine_con_sonda_e_procedura_di_taratura_e_calibrazione-web-960x960-1.webp?fit=960%2C960&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/ultrasuonindt.it\/wp-content\/uploads\/2026\/04\/dakota_ndt-strumenti_di_misura_ad_ultrasuoni-immagine_con_sonda_e_procedura_di_taratura_e_calibrazione-web-960x960-1.webp?fit=960%2C960&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/ultrasuonindt.it\/wp-content\/uploads\/2026\/04\/dakota_ndt-strumenti_di_misura_ad_ultrasuoni-immagine_con_sonda_e_procedura_di_taratura_e_calibrazione-web-960x960-1.webp?fit=960%2C960&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/ultrasuonindt.it\/wp-content\/uploads\/2026\/04\/dakota_ndt-strumenti_di_misura_ad_ultrasuoni-immagine_con_sonda_e_procedura_di_taratura_e_calibrazione-web-960x960-1.webp?fit=960%2C960&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":4721,"url":"https:\/\/ultrasuonindt.it\/en\/support\/calibrazione-e-taratura\/","url_meta":{"origin":3508,"position":5},"title":"Calibration and adjustment","author":"GSM","date":"7 September 2026","format":false,"excerpt":"Periodic calibration is not a formality: it is what makes a measurement defensible before an auditor or a client. RODER SRL performs it in its own laboratory in Italy or at the manufacturer, with a NIST-traceable certificate. \u2713 Certificate traceable to NIST and compliant with MIL-STD-45662A \u2713 RODER laboratory in\u2026","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"Dakota NDT ultrasonic probe during the setting and calibration procedure","src":"https:\/\/i0.wp.com\/ultrasuonindt.it\/wp-content\/uploads\/2026\/04\/dakota_ndt-strumenti_di_misura_ad_ultrasuoni-immagine_con_sonda_e_procedura_di_taratura_e_calibrazione-web-960x960-1.webp?fit=960%2C960&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/ultrasuonindt.it\/wp-content\/uploads\/2026\/04\/dakota_ndt-strumenti_di_misura_ad_ultrasuoni-immagine_con_sonda_e_procedura_di_taratura_e_calibrazione-web-960x960-1.webp?fit=960%2C960&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/ultrasuonindt.it\/wp-content\/uploads\/2026\/04\/dakota_ndt-strumenti_di_misura_ad_ultrasuoni-immagine_con_sonda_e_procedura_di_taratura_e_calibrazione-web-960x960-1.webp?fit=960%2C960&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/ultrasuonindt.it\/wp-content\/uploads\/2026\/04\/dakota_ndt-strumenti_di_misura_ad_ultrasuoni-immagine_con_sonda_e_procedura_di_taratura_e_calibrazione-web-960x960-1.webp?fit=960%2C960&ssl=1&resize=700%2C400 2x"},"classes":[]}],"_links":{"self":[{"href":"https:\/\/ultrasuonindt.it\/en\/wp-json\/wp\/v2\/pages\/3508","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ultrasuonindt.it\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/ultrasuonindt.it\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/ultrasuonindt.it\/en\/wp-json\/wp\/v2\/users\/157040980"}],"replies":[{"embeddable":true,"href":"https:\/\/ultrasuonindt.it\/en\/wp-json\/wp\/v2\/comments?post=3508"}],"version-history":[{"count":2,"href":"https:\/\/ultrasuonindt.it\/en\/wp-json\/wp\/v2\/pages\/3508\/revisions"}],"predecessor-version":[{"id":4729,"href":"https:\/\/ultrasuonindt.it\/en\/wp-json\/wp\/v2\/pages\/3508\/revisions\/4729"}],"up":[{"embeddable":true,"href":"https:\/\/ultrasuonindt.it\/en\/wp-json\/wp\/v2\/pages\/4673"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ultrasuonindt.it\/en\/wp-json\/wp\/v2\/media\/2748"}],"wp:attachment":[{"href":"https:\/\/ultrasuonindt.it\/en\/wp-json\/wp\/v2\/media?parent=3508"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}