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AN894D6-4

Aeronautical Standard Straight Tube To Boss Adapter

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Description

Bushing, Expander

Specifications

Alternate Part Number AS5173D0604
Connection Style Flared (tube) 1st end, Gasket seal (boss) 2nd end
Connection Type Threaded external tube 1st end, Threaded internal boss 2nd end
Material Aluminum
Nominallength 1.391
Outside Diameter Tube Accommodated 0.250 inches 1st end
Seat Angle 37.0 degrees 1st end
Specification Data 81343-as4875/1 professional/industrial association standard
Surface Treatment Anodize
Thread Class 3a 1st end, 3b 2nd end
Thread Series Designator Unjf all ends
Thread Size 0.438 inches 1st end, 0.562 inches 2nd end
Weight .005 lb

Other sizes

Parts that share this base number, ordered by size. Always verify the full specification before substituting.

Cross-reference

Interchangeable

Parts that share a National Stock Number or are listed as an alternate for AN894D6-4 — functionally equivalent.

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Catalog data updated 2026-07-05. Report a data error