fittings › boss reducers
AN919-9D
AN Fitting AN919-9D Reducer
Description
Reducer
Specifications
| Alternate Item Number | AS5174D0803 1/ |
|---|---|
| Alternate Part Number | AS5174D0803 |
| Connection Style | Flared w/ gasket seal (boss) all ends |
| Connection Type | Flare Type, Threaded external boss all ends |
| Dimension E | 1.000 in |
| Dimension S | 23/32 in |
| Dimension W | 1 29/64 in |
| Flare Angle | 37 º |
| Industry Standards/Certification | AN919 |
| Material | Aluminum |
| Material Specification | Qq-a-225/4 federal specification single material response |
| NIIN | 00-187-3583 |
| NSN | 4730-00-187-3583 |
| Nominallength | 1.453 |
| Size No. Alum | 9D |
| Size No. Steel | 9 |
| Specification Data | 88044-an919 government standard |
| Surface Treatment | Anodize |
| Thread Class | 3a all ends |
| Thread Series | UNF |
| Thread Series Designator | Unf (fine thread) 2nd end, Unjf (fine thread with external controlled root radius) 1st end |
| Thread Size | 0.375 inches 2nd end, 0.750 inches 1st end |
| Thread T (Large End (Reference)) | 3/4-16 |
| Thread T (Small End (Reference)) | 3/8-24 |
| Tube O.D. | 1/2 3/16 |
| Tube Outside Diameter (Large End) | 0.500 in |
| Tube Outside Diameter (Small End) | 3/16 in |
| Weight | 0.05 lb |
Cross-reference
No interchangeable or dimensionally similar parts are on record for AN919-9D. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error