fittings › boss reducers
AN919-21
Aeronautical Standard Boss Reducer
Description
Boss Reducer
Specifications
| Connection Style | Flared w/ gasket seal (boss) all ends |
|---|---|
| Connection Type | Threaded external boss all ends |
| Material | Steel |
| Material Specification | 66 fed std single material response |
| Maximum Operating Pressure | 1500.0 pounds per square inch single response |
| Maximum Operating Temp | 160.0 deg fahrenheit single response |
| Media For Which Designed | Hydraulic fluid single response |
| Nominallength | 1.844 |
| Specification Data | 88044-an919 government standard |
| Surface Treatment | Cadmium |
| Surface Treatment Specification | Qq-p-416,ty 2,cl 2 fed spec single treatment response |
| Thread Class | 3a all ends |
| Thread Qty Per Inch (tpi) | 12 1st end |
| Thread Series Designator | Un 1st end, Unf 2nd end |
| Thread Size | 0.438 inches 2nd end, 1.312 inches 1st end |
Cross-reference
No interchangeable or dimensionally similar parts are on record for AN919-21. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error