fittings › boss reducers
MS21916V6-4P
Military Standard Boss Reducer
Description
MS21916 series fitting (New Revision)
Specifications
| Connection Style | External seat for gasket seal (boss) all ends |
|---|---|
| Connection Type | Threaded external boss all ends |
| Material | CRES |
| Media For Which Designed | Hydraulic fluid single response |
| Nominallength | 1.219 |
| Outside Diameter Tube Accommodated | 0.25 inches 2nd end, 0.375 inches 1st end |
| Part Name Assigned By Controlling Agency | Flareless tube external thread reducer |
| Seat Angle | 12 degrees all ends |
| Special Features | Material corrosion resistant steel (15-5ph) with cadmium plating; universal ends (tube or boss) |
| Specification Data | 31343 - as21916 professional/industrial association standard |
| Surface Treatment | Cadmium |
| Surface Treatment Specification | Class 2 federal specification single treatment response type 2 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 | 0.437 inches 2nd end, 0.562 inches 1st end |
Cross-reference
No interchangeable or dimensionally similar parts are on record for MS21916V6-4P. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error