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MS21045C14
Military Standard Locking Hexagon Nut Self
Description
Thread: 7/8-14, Thread Size: 7/8", Nut Height: 0-33/32", Head Width: 1-1/4
Specifications
| Bearing Surface Finish | 125.0 microinches |
|---|---|
| Bearing Surface Type | Chamfered or washer faced |
| Countersink Angle | 88.0 degrees |
| Departure From Cited Designator | As mod by material which must conform to ships parts control center special quality control provisions |
| Locking Feature | Prevailing torque all metal design |
| Lubrication | Dry film lubricant |
| Material | CRES |
| Nut Height | Between 0.965 inches and 1.016 inches |
| Nut Style | Hexagon |
| Surface Treatment | Passivate |
| Surface Treatment Specification | Qq-p-35 federal specification single treatment response |
| Temperature Rating | 450.0 degrees fahrenheit |
| Test Data Document | Etc.). |
| Thread Class | 3b |
| Thread Direction | Right-hand |
| Thread Qty | 14 |
| Thread Qty Per Inch (tpi) | 14 |
| Thread Series | Unjf (fine thread with external controlled root radius) |
| Thread Size | 0.875 |
| Width Across Flats | Between 1.239 inches and 1.252 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.
- MS21045-14 MS 7/8-14 · Steel
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Catalog data updated 2026-07-05. Report a data error