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MS35691-18
Military Standard Plain Hexagon Nut
Description
Plain Hexagon Nut
Specifications
| Bearing Surface Type | Chamfered or washer faced |
|---|---|
| Hardness Rating | 22.0 rockwell c minimum and 38.0 rockwell c maximum |
| Material | Steel |
| Nondefinitive Specification/Std Data | 2 type and 5 style and ch grade |
| Nut Height | 0.210 inches minimum and 0.227 inches maximum |
| Nut Style | Hexagon |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Qq-p-416,ty 2,cl 3 fed spec single treatment response |
| Thread Class | 2b |
| Thread Direction | Right-hand |
| Thread Qty Per Inch (tpi) | 16 |
| Thread Series | UNC |
| Thread Size | 0.375 |
| Width Across Flats | 0.551 inches minimum and 0.562 inches maximum |
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.
- MS35691-17 MS 3/8-16 · Steel
- MS35691-19 MS 3/8-16 · CRES
- MS35691-610 MS 3/8-16 · CRES
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Catalog data updated 2026-07-05. Report a data error