fittings › boss nipples
MS21900D6
Adapter
Description
Adapter
Specifications
| Connection Style | External seat for gasket seal (boss) 2nd end, Flared with gasket seal (boss) 1st end |
|---|---|
| Connection Type | Threaded external boss all ends |
| Material | Aluminum |
| Material Specification | T62 or t851 federal specification single material response qq-a-225/6 temper t6 |
| Maximum Operating Pressure | 3000 pounds per square inch single response |
| Maximum Operating Temp | 275.0 degrees fahrenheit single response |
| Media For Which Designed | Hydraulic fluid single response |
| NIIN | 00-640-5099 |
| NSN | 4730-00-640-5099 |
| Nominallength | 1.281 |
| Specification Data | 96906-ms21900 government standard |
| Style Designator | Flared and flareless with center wrenching facility |
| Surface Treatment | Anodize |
| Surface Treatment Specification | Class 1 military specification single treatment response type 2 mil-a-8625 |
| Thread Class | 3a all ends |
| Thread Series Designator | Unjf (fine thread with external controlled root radius) all ends |
| Thread Size | 0.562 inches all ends |
| Weight | 0.024 lb |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
- MS21900D3
- MS21900D4
- MS21900D5
- MS21900D6
- MS21900D8
- MS21900D10
Cross-reference
No interchangeable or dimensionally similar parts are on record for MS21900D6. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error