fittings › boss nipples
MS21902-8
Military Standard Boss Nipple
Description
carbon steel, tube outside 1/2", union, flareless tube
Specifications
| Connection Style | External seat for gasket seal (boss) all ends |
|---|---|
| Connection Type | Threaded external boss all ends |
| Material | Steel |
| Nominallength | 1.375 |
| Special Features | Grumman aerospace corporation a10 aircraft. |
| Specification Data | 96906-ms21902 government standard |
| Style Designator | Flareless w/ center wrenching facility |
| Surface Treatment | Cadmium |
| Surface Treatment Specification | Class 2 federal specification single treatment response type 1 qq-p-416 |
| Thread Class | 3a all ends |
| Thread Series | UNJF |
| Thread Series Designator | Unjf (fine thread with external controlled root radius) all ends |
| Thread Size | 0.750 inches all ends |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
Cross-reference
Interchangeable
Parts that share a National Stock Number or are listed as an alternate for MS21902-8 — functionally equivalent.
- MS21902V8P Listed alternate 3/4 in · CRES
Looking for a specific part? Use the cross-reference lookup.
Catalog data updated 2026-07-05. Report a data error