nuts › self-locking hexagon nuts
MS21245L7
Military Standard Locking Hexagon Nut Self
Description
Self Locking Nut
Specifications
| Hardness Rating | 46.0 rockwell c |
|---|---|
| Locking Feature | Prevailing torque all metal design |
| Lubrication | Dry film lubricant |
| Material | Steel |
| NIIN | 00-449-2379 |
| NSN | 5310-00-449-2379 |
| Nut Height | 0.328 |
| Nut Style | Hexagon |
| Surface Treatment | Cadmium |
| Temperature Rating | 450 degrees fahrenheit |
| Thread Class | 3b |
| Thread Direction | Right-hand |
| Thread Qty | 20 |
| Thread Qty Per Inch (tpi) | 20 |
| Thread Series | Unjf (fine thread with external controlled root radius) |
| Thread Size | 0.438 |
| Weight | 0.02 lb |
| Width Across Flats | Between 0.679 inches and 0.69 inches |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
- MS21245L7
- MS21245L8
- MS21245L9
- MS21245L10
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.
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Catalog data updated 2026-07-05. Report a data error