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FAA PMA replacements for

4023391

5 approvals from 4 holders · 3 current

See the OEM part record for 4023391 →

Approved PMA parts

PMA part numberHolderStatusSupplementPart name
K49502-4Alcoa Fastening SystemsCurrent2002-10-27Nut, Self-Locking, Clinch
K49502-4Alcoa Fastening SystemsCurrent2002-06-16Nut, Self-Locking, Clinch
BN00495-4Bristol IndustriesCurrent1994-03-19Nut Self-Locking, Clinch .250-28 X .108
K49502-4Arconic Global Fasteners & Rings, Inc., dba Arconic FasHistorical2018-05-07Nut, Self-Locking, Clinch
K49502-4Arconic Fastening Systems & RingsHistorical2016-10-31Nut, Self-Locking, Clinch
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PMA parts for 4023391 — 5 FAA approvals - Fulcrum 360