FAA-PMA
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.
17978 is cataloged as CELL ASSEMBLY,OPTICAL INSTRUMENT. It carries 5 NSN identities and cross-references to 17 related part numbers. The part appears on MCRL cross-reference data.
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1223726-10, 3542395, 52805, 932821-529, 99125644, B1585-501B, B2051-529, CC1648, CC5190-529, HM9-7603, MM5331, ROM/PROM FAMILY 019, S82S123W, SD964, SN54S288W, SN90927W, SN91529W-529
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