fittings › boss nipples
MS21902J4
Military Standard Boss Nipple
Description
Union
Specifications
| Connection Style | External seat for gasket seal (boss) all ends |
|---|---|
| Connection Type | Threaded external boss all ends |
| Material | CRES |
| Material Specification | Cond a federal specification single material response class 304 qq-s-763 |
| NIIN | 00-702-5377 |
| NSN | 4730-00-702-5377 |
| Nominallength | 1.062 |
| Specification Data | 96906-ms21902 government standard |
| Style Designator | Flareless with center wrenching facility |
| Surface Treatment | Passivate |
| Thread Class | 3a all ends |
| Thread Series | UNJF |
| Thread Series Designator | Unjf (fine thread with external controlled root radius) all ends |
| Thread Size | 0.438 inches all ends |
| Weight | 0.04 lb |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
- MS21902J4
- MS21902J5
- MS21902J6
- MS21902J8
- MS21902J10
Cross-reference
No interchangeable or dimensionally similar parts are on record for MS21902J4. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error