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FAA PMA replacements for

974901-1

5 approvals from 3 holders

See the OEM part record for 974901-1 →

Approved PMA parts

PMA part numberHolderStatusSupplementPart name
9-974901-1Aerospace Sealants, LLCCurrent2025-01-23Diaphragm Plate
AVUS974901-1Aviatron IncCurrent2023-06-21Plate, Diaphragm Backing
9-974901-1Aerospace Sealants LLCCurrent2012-04-08Plate, Diaphragm
9-974901-1Aerospace Sealants LLCCurrent2011-09-08Plate, Diaphragm
9-974901-1Aerospace Sealants LLCCurrent2011-07-12Plate, Diaphragm
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