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.
J221P172 is cataloged as O-RING. It carries 1 NSN identity and cross-references to 13 related part numbers. The part appears on MCRL cross-reference data.
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1V334106382, 2-172V0747-75, 2-172V1164-75, 2-172V1226-75, 2-172V747-75, 5331PL0964754, 649-393-172-0, AS3209-172, M83248-1-172, M83248/1-172, MIL-R-83248/1, S9026L172, SAE-AMS7276
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