nuts › plain hexagon nuts
MS35691-53
Military Standard Plain Hexagon Nut
Description
Nuts
Specifications
| Bearing Surface Type | Chamfered or washer faced |
|---|---|
| Hardness Rating | Between 95.0 rockwell b and 32.0 rockwell c |
| Material | Steel |
| Nondefinitive Specification/Std Data | 2 type and 5 style and b grade |
| Nut Height | Between 0.363 inches and 0.387 inches |
| Nut Style | Hexagon |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Cl 3 federal specification single treatment response type 2 qq-p-416 |
| Thread Class | 2b |
| Thread Direction | Right-hand |
| Thread Qty Per Inch (tpi) | 18 |
| Thread Series | Unf (fine thread) |
| Thread Size | 0.625 |
| Width Across Flats | Between 0.922 inches and 0.938 inches |
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.
- MS35691-55 MS 5/8-18 · Steel
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Catalog data updated 2026-07-05. Report a data error