nuts › self-locking hexagon nuts
MS21045C3
Military Standard Locking Hexagon Nut Self
Description
Nut
Specifications
| Bearing Surface Finish | 125 microinches |
|---|---|
| Bearing Surface Type | Chamfered or washer faced |
| Countersink Angle | 88.0 degrees |
| Locking Feature | Prevailing torque all metal design |
| Lubrication | Dry film lubricant |
| Material | CRES |
| NIIN | 00-263-2862 |
| NSN | 5310-00-263-2862 |
| Nut Height | Between 0.208 inches and 0.250 inches |
| Nut Style | Hexagon |
| Surface Treatment | Passivate |
| Surface Treatment Specification | Qq-p-35 federal specification single treatment response |
| Temperature Rating | 450 degrees fahrenheit |
| Thread Class | 3b |
| Thread Direction | Right-hand |
| Thread Qty Per Inch (tpi) | 32 |
| Thread Series | Unjf (fine thread with external controlled root radius) |
| Thread Size | 0.190 |
| Weight | 0.0046 lb |
| Width Across Flats | Between 0.367 inches and 0.376 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.
- 22FH1032 Commercial #10-32 · Steel
- M45913/1-010FS3 MIL-DTL #10-32 · CRES
- M45913/1-010FS6 MIL-DTL #10-32 · CRES
- MS20500-1032 MS #10-32 · CRES
- MS21045-3 MS #10-32 · Steel
- MS21045C3S MS #10-32 · Steel
- MS21046C3 MS #10-32 · CRES
- MS21046C3S MS #10-32 · Steel
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Catalog data updated 2026-07-05. Report a data error