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AN894-8-4

Aeronautical Standard Straight Tube To Boss Adapter

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Description

Bushing, Expander

Specifications

Alternate Part Number AS5173-0804
Angle 37 º
Connection Style Flared (tube) 1st end, Gasket seal (boss) 2nd end
Connection Type Threaded external tube 1st end, Threaded internal boss 2nd end
Industry Standards/Certification AN894
Material Steel
Nominallength 1.578
Outside Diameter Tube Accommodated 0.250 inches 1st end
Overall Dimension D 1.000 in
Overall Dimension E 1 37/64 in
Seat Angle 37.0 degrees 1st end
Specification Data 88044-an894 government standard
Thread Class 3a 1st end
Thread Series UNJF
Thread Series Designator Unjf (fine thread with external controlled root radius) all ends
Thread Size 0.438 inches 1st end, 0.750 inches 2nd end
Thread T (Reference) 0.4375-20
Weight .005 lb

Other sizes

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

Cross-reference

No interchangeable or dimensionally similar parts are on record for AN894-8-4. Try the cross-reference lookup to search by a different part number.

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