nuts › self-locking hexagon nuts
MS21083C08
Military Standard Locking Hexagon Nut Self
Description
Nut
Specifications
| Bearing Surface Finish | 125 microinches |
|---|---|
| Bearing Surface Type | Chamfered or washer faced |
| Countersink Angle | 88 degrees |
| Locking Feature | Prevailing torque with nonmetallic insert |
| Lubrication | Soluble lubricant |
| Material | CRES |
| NIIN | 00-939-0850 |
| NSN | 5310-00-939-0850 |
| Nut Height | 0.188 |
| Nut Style | Hexagon |
| Surface Treatment | Passivate |
| Surface Treatment Specification | Qq-p-35 federal specification single treatment response except insert |
| Thread Class | 3b |
| Thread Direction | Right-hand |
| Thread Qty | 32 |
| Thread Qty Per Inch (tpi) | 32 |
| Thread Series | UNJC |
| Thread Size | 0.164 |
| Weight | 0.003 lb |
| Width Across Flats | Between 0.336 inches and 0.345 inches |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
Cross-reference
Interchangeable
Parts that share a National Stock Number or are listed as an alternate for MS21083C08 — functionally equivalent.
- MS21083C8 Same NSN #8-32 · CRES
Similar parts
Parts with matching key dimensions — often from a different standards family. Candidates for comparison only; verify the full specification before substituting.
- 27FT832 Commercial #8-32 · Steel
- NAS679A08W NAS #8-32 · Steel
- NAS679C08 NAS #8-32 · Iron
- NAS679C08MW NAS #8-32 · Iron
- NAS679C08W NAS #8-32 · Iron
- MS20364-832C MS #8-32 · Steel
- MS21083D08 MS #8-32 · Aluminum
- MS21083N08 MS #8-32 · Plastic
Looking for a specific part? Use the cross-reference lookup.
Catalog data updated 2026-07-05. Report a data error