fittings › boss reducers
AN919-20
Aeronautical Standard Boss Reducer
Description
Reducer
Specifications
| Alternate Item Number | AS5174-1210 |
|---|---|
| Alternate Part Number | AS5174-1210 |
| Connection Style | Flared w/ gasket seal (boss) all ends |
| Connection Type | Flare Type, Threaded external boss all ends |
| Dimension E | 1.375 in |
| Dimension S | 57/64 in |
| Dimension W | 2 in |
| Flare Angle | 37 º |
| Industry Standards/Certification | AN919 |
| Material | Steel |
| Maximum Operating Pressure | 1500.0 pounds per square inch single response |
| Maximum Operating Temp | 160.0 deg fahrenheit single response |
| NIIN | 00-235-1511 |
| NSN | 4730-00-235-1511 |
| Nominallength | 2.000 |
| Specification Data | 88044-an919 government standard |
| Surface Treatment | Cadmium |
| Thread Class | 3a all ends |
| Thread Qty Per Inch (tpi) | 12 1st end |
| Thread Series Designator | Un 1st end, Unf 2nd end |
| Thread Size | 0.875 inches 2nd end, 1.062 inches 1st end |
| Thread T (Large End (Reference)) | 1 1/16-12 |
| Thread T (Small End (Reference)) | 7/8-14 |
| Tube Outside Diameter (Large End) | 0.750 in |
| Tube Outside Diameter (Small End) | 5/8 in |
| Weight | 0.335 lb |
Cross-reference
No interchangeable or dimensionally similar parts are on record for AN919-20. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error