fittings › boss nipples
MS21900J5
Military Standard Boss Nipple
Description
Boss Nipple
Specifications
| Connection Style | External seat for gasket seal (boss) 2nd end, Flared w/ gasket seal (boss) 1st end |
|---|---|
| Connection Type | Threaded external boss 1st end |
| Material | CRES |
| Material Specification | Qq-s-763 fed spec single material response |
| Maximum Operating Pressure | 3000.0 pounds per square inch single response |
| Maximum Operating Temp | 135.0 deg celsius single response |
| Media For Which Designed | Chemical single response |
| Nominallength | 1.156 |
| Specification Data | 81343-as21900 government standard |
| Style Designator | Flared and flareless w/ center wrenching facility |
| Surface Treatment | Passivate |
| Surface Treatment Specification | Mil-f-14072,e300,ty 2 mil spec single treatment response outside, Mil-s-5002 mil spec single treatment response inside |
| Thread Class | 3a all ends |
| Thread Series Designator | Unjf all ends |
| Thread Size | 0.500 inches all ends |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
- MS21900J4
- MS21900J5
Cross-reference
No interchangeable or dimensionally similar parts are on record for MS21900J5. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error