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MS21921-5
Military Standard Tube Coupling Nut
Description
outside diameter: 5/16", sleeve coupling, flareless, steel, MS21921 series nut
Specifications
| Material | Steel |
|---|---|
| Nut Height | 0.760 |
| Nut Style | Tube coupling |
| Seat Angle | 45.00 degrees |
| Specification Data | 96906-ms21921 government standard |
| Surface Treatment | Cadmium |
| Surface Treatment Specification | Qq-p-416,type 2,class 2 fed spec single treatment response |
| Thread Class | 3b |
| Thread Direction | Right-hand |
| Thread Qty | 20 |
| Thread Qty Per Inch (tpi) | 20 |
| Thread Series | UNF |
| Thread Size | 0.500 |
| Width Across Flats | 0.625 |
Cross-reference
Similar parts
Parts with matching key dimensions — often from a different standards family. Candidates for comparison only; verify the full specification before substituting.
- MS21921-5D MS 1/2-20 · Aluminum
- MS21921-5J MS 1/2-20 · CRES
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Catalog data updated 2026-07-05. Report a data error