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MS21045-12
Military Standard Locking Hexagon Nut Self
Description
Nut
Specifications
| Bearing Surface Finish | 125.0 microinches |
|---|---|
| Bearing Surface Type | Chamfered or washer faced |
| Countersink Angle | 88.0 degrees nut |
| Locking Feature | Prevailing torque all metal design |
| Lubrication | Soluble lubricant |
| Material | Steel |
| NIIN | 00-982-5012 |
| NSN | 5310-00-982-5012 |
| Nut Height | Between 0.855 inches and 0.891 inches |
| Nut Style | Hexagon |
| Surface Treatment | Cadmium |
| Surface Treatment Specification | Cl 3 federal specification single treatment response type 2 qq-p-416 |
| Temperature Rating | 450.0 degrees fahrenheit |
| 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 |
| Weight | 0.12 lb |
| Width Across Flats | Between 1.052 inches and 1.064 inches |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
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.
- MS20365-1216C MS 3/4-16 · Steel
- MS21044C12 MS 3/4-16 · CRES
- MS21044N12 MS 3/4-16 · Steel
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Catalog data updated 2026-07-05. Report a data error