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MS21045-14
Military Standard Locking Hexagon Nut Self
Description
Self-Locking Hexagon Nut
Specifications
| Bearing Surface Finish | 125.0 microinches |
|---|---|
| Bearing Surface Type | Chamfered or washer faced |
| Counterbore Diameter | 0.898 inches minimum nut and 0.938 inches maximum nut |
| Countersink Angle | 88.0 degrees nominal nut |
| Locking Feature | Prevailing torque all metal design |
| Lubrication | Soluble lubricant |
| Material | Steel |
| Nut Height | 0.965 inches minimum and 1.016 inches maximum |
| Nut Style | Hexagon |
| Surface Treatment | Cadmium |
| Surface Treatment Specification | Qq-p-416,ty 2,cl 3 fed spec single treatment response |
| Temperature Rating | 450.0 deg fahrenheit |
| Thread Class | 3b |
| Thread Direction | Right-hand |
| Thread Qty Per Inch (tpi) | 14 |
| Thread Series | UNF |
| Thread Size | 0.875 |
| Width Across Flats | 1.239 inches minimum and 1.252 inches maximum |
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.
- MS21045C14 MS 7/8-14 · CRES
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Catalog data updated 2026-07-05. Report a data error