fittings › boss reducers
AN893-5D
Aeronautical Standard Boss Reducer
Description
Bushing, Reducer
Specifications
| Connection Style | External seat for gasket seal (boss) 2nd end, Gasket seal (boss) 1st end |
|---|---|
| Connection Type | Threaded external boss 2nd end, Threaded internal boss 1st end |
| Industry Standards/Certification | AN893 |
| Material | Aluminum |
| NIIN | 00-957-6671 |
| NSN | 4730-00-957-6671 |
| Nominallength | 0.969 |
| Overall Dimension G | 1.625 in |
| Overall Dimension M | 31/32 in |
| Special Features | Three 0.065 in.min,0.075 in.max dia holes drilled through hex corners,0.203 in.from first end |
| Specification Data | 96906-ms24397 government standard |
| Surface Treatment | Anodize |
| Surface Treatment Specification | Mil-a-8625,type 2 mil spec single treatment response |
| Thread Class | 3a 2nd end, 3b 1st end |
| Thread Qty Per Inch (tpi) | 12 1st end |
| Thread Series Designator | Un 2nd end, Unf 1st end |
| Thread Size | 0.438 inches 1st end, 1.312 inches 2nd end |
| Thread T (Reference) | 1 5/16-12 |
| Weight | 0.1575 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 AN893-5D. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error