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.
20638 is cataloged as DRILL,TWIST. It carries 7 NSN identities and cross-references to 40 related part numbers. The part appears on MCRL cross-reference data.
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01027, 02009-0079, 11358, 11644086, 13374, 1340, 150 74, 18074, 2001 74, 200649875, 2012-T 74, 208 74, 236, 24185, 29-808769, 2N1150, 30338, 33596A, 33693, 3649875, 36567, 407, 41-10256, 44144, 503-S 74, 533576, 60042, 633547, 690T1-9, 7328371, 77375139, 808769, 808770, 831548, 8332075, 918 74, 935556, 935557, 999271-1, B94.11M
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