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MS21921V8P
Military Standard Tube Coupling Nut
Description
tube outside 1/2", nut, sleeve coupling flareless, corrosion resistant steel, cadmium plated, MS21921 series nut
Specifications
| Material | CRES |
|---|---|
| Nut Height | Between 0.850 inches and 0.870 inches |
| Nut Style | Tube coupling |
| Part Name Assigned By Controlling Agency | Flareless sleeve coupling nut |
| Seat Angle | 45 degrees |
| Special Features | Corrosion resistant steel (15-5) with cadmium plating |
| Surface Treatment | Cadmium |
| Thread Class | 3b |
| Thread Direction | Right-hand |
| Thread Qty | 16 |
| Thread Qty Per Inch (tpi) | 16 |
| Thread Series | Unjf (fine thread with external controlled root radius) |
| Thread Size | 0.750 |
| Width Across Flats | 0.875 |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
- MS21921V4P
- MS21921V5P
- MS21921V8P
- MS21921V10P
Cross-reference
Interchangeable
Parts that share a National Stock Number or are listed as an alternate for MS21921V8P — functionally equivalent.
- MS21921-8 Listed alternate 3/4-16 · Steel
Similar parts
Parts with matching key dimensions — often from a different standards family. Candidates for comparison only; verify the full specification before substituting.
- MS21921-8D MS 3/4-16 · Aluminum
- MS21921-8J MS 3/4-16 · CRES
- MS21921-8K MS 3/4-16 · CRES
- MS21921-8W MS 3/4-16 · Aluminum
Looking for a specific part? Use the cross-reference lookup.
Catalog data updated 2026-07-05. Report a data error