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MS21225-7
Military Standard Locking Hexagon Nut Self
Description
Self-Locking Hexagon Nut
Specifications
| Bearing Surface Type | Chamfered |
|---|---|
| Locking Feature | Prevailing torque all metal design |
| Material | Iron |
| Material Specification | Ams 5737 assn std 1st material response or ams 5525 assn std 1st material response or ams 5725 assn std 2nd material response |
| Nut Height | 0.438 inches minimum and 0.468 inches maximum |
| Nut Style | Slotted, hexagon |
| Precious Material | Silver |
| Precious Material And Location | Overall silver |
| Surface Treatment | Silver |
| Surface Treatment Specification | Ams 2411 assn std single treatment response |
| Temperature Rating | 800.0 deg fahrenheit maximum |
| Thread Class | 3b |
| Thread Direction | Right-hand |
| Thread Qty Per Inch (tpi) | 20 |
| Thread Series | UNJF |
| Thread Size | 0.438 |
| Width Across Flats | 0.679 inches minimum and 0.690 inches maximum |
Cross-reference
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Catalog data updated 2026-07-05. Report a data error