FAA-PMA
A4138 is an FAA-PMA part held by Timken Corporation (PMA PQ4105CE) — approved as a replacement for 214-82700 on Waco YMF · Current, May 2016.
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.
A4138 is cataloged as CUP,TAPERED ROLLER BEARING. It carries 1 NSN identity and cross-references to 7 related part numbers. An FAA PMA relationship is on file. The part appears on MCRL cross-reference data.
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