FAA-PMA
8422 is an FAA-PMA part held by Diagnostic Solutions International, LLC (PMA PQ05321NM) — approved as a replacement for Modification Article on Leonardo S.P.A AB139 · Current, Mar 2025.
A PMA part is approved for the specific eligibility listed on its FAA record; whether it may go on a particular aircraft, engine or component is the installer's determination from that record and the eligibility list. A part-number match alone does not establish eligibility. Source: FAA DRS PMA database, refreshed weekly. Data, not advice.
8422 is cataloged as NUT,PLAIN,HEXAGON. It carries 6 NSN identities and cross-references to 34 related part numbers. FAA PMA approval is on file from Diagnostic Solutions International, LLC. An estimated 354 aircraft of the approved type are registered in the US. The part appears on MCRL cross-reference data.
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0126381-1, 1458, 1710, 189446R1, 1970-009, 2209, 2216342C-OA RYN BRD SJ, 2300, 2410127-4, 25991, 2994891, 38-8422-1, 5340-039-0007, 540-9205-003, 5812, 5960PL1385003, 8193122, 8213-A-0632-17, 8213A0632-16, 8213A0632-17, 8422B5991, 85591, 875385, 932017-2B, 99054800, BI118, C0466, C1322, DMS 80034B, DMS 83010B, JAN8422, MILE1-1519, MILE1E1519JAN8422, NL8422NL
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