nuts › plain hexagon nuts
MS51968-2
Hex Nut
Description
MS 51968-2 Plain Hexagon Nut - Finished Pattern
Specifications
| Bearing Surface Type | Chamfered or washer faced |
|---|---|
| Finish | Cadmium ll |
| Hardness Rating | 121.0 brinell standard minimum |
| Hexagon Size - Across Flats | 7/16 |
| Hexagon Size - Thick | 7/32 |
| Material | Steel |
| Nut Height | 0.212 inches minimum and 0.226 inches maximum |
| Nut Style | Hexagon |
| Size | 1/4-28 |
| 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 Fraction | 1/4-28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series | UNF |
| Thread Size | 0.250 |
| Thread Type | UNF-2B |
| Width Across Flats | 0.4280 inches minimum and 0.4375 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.
- MS35690-425 MS 1/4-28 · Steel
- MS51968-3 MS 1/4-28 · Steel
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Catalog data updated 2026-07-05. Report a data error