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MS21083N12
Military Standard Locking Hexagon Nut Self
Description
Nut
Specifications
| Alternate Part Number | AN364-1216 |
|---|---|
| Bearing Surface Finish | 125.0 microinches |
| Bearing Surface Type | Chamfered or washer faced |
| Countersink Angle | 88.0 degrees minimum nut |
| Hardness Rating | 35.0 rockwell c maximum |
| Locking Feature | Prevailing torque with nonmetallic insert |
| Lubrication | Soluble lubricant |
| Material | Plastic |
| NIIN | 00-939-0783 |
| NSN | 5310-00-939-0783 |
| Nut Height | 0.422 inches maximum |
| Nut Style | Hexagon |
| Surface Treatment | Cadmium except insert and chromate except insert |
| Surface Treatment Specification | Qq-p-416,ty 2,cl 2 fed spec all treatment responses except insert |
| Temperature Rating | 250.0 deg fahrenheit maximum |
| Thread Class | 3b |
| Thread Direction | Right-hand |
| Thread Qty | 16 |
| Thread Qty Per Inch (tpi) | 16 |
| Thread Series | UNJF |
| Thread Size | 0.750 |
| Weight | 0.05 lb |
| Width Across Flats | 1.052 inches minimum and 1.064 inches maximum |
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 MS21083N12 — functionally equivalent.
- AN364-1216 Listed alternate Steel
Similar parts
Parts with matching key dimensions — often from a different standards family. Candidates for comparison only; verify the full specification before substituting.
- BACN10JC12CD BAC 3/4-16 · Iron
- NAS1022A12 NAS 3/4-16 · Steel
- MS20364-1216 MS 3/4-16 · Steel
Looking for a specific part? Use the cross-reference lookup.
Catalog data updated 2026-07-05. Report a data error