fittings › straight tube to boss adapters
AN894J5-4
Aeronautical Standard Straight Tube To Boss Adapter
Description
female straight to male 37 degree, screw thread expander, corrosion resistant steel, AN894 series fitting
Specifications
| Connection Style | Flared (tube) 1st end, Gasket seal (boss) 2nd end |
|---|---|
| Connection Type | Threaded external tube 1st end, Threaded internal boss 2nd end |
| Criticality Code Justification | Feat |
| End Application | C-135 stratolifter aircraft |
| Material | CRES |
| Nominallength | 1.500 |
| Outside Diameter Tube Accommodated | 0.312 inches 1st end |
| Seat Angle | 37.0 degrees 1st end |
| Special Features | Weapon system essential |
| Specification Data | 88044-an894 government standard and 81343-as4875/1 professional/industrial association standard |
| Surface Treatment | Passivate |
| Thread Class | 3a 1st end, 3b 2nd end |
| Thread Series | UNJF |
| Thread Series Designator | Unjf (fine thread with external controlled root radius) 1st end, Unjf (fine thread with external controlled root radius) 2nd end |
| Thread Size | 0.438 inches 1st end, 0.500 inches 2nd end |
Cross-reference
No interchangeable or dimensionally similar parts are on record for AN894J5-4. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error