nuts › plain hexagon nuts
MS51969-1
Military Standard Nutsgr8
Description
MS 51969-1 Plain Hexagon Nut - Finished Pattern
Specifications
| Bearing Surface Type | Chamfered or washer faced |
|---|---|
| Finish | Black Oxide |
| Hexagon Size - Across Flats | 7/16 |
| Hexagon Size - Thick | 7/32 |
| Material | Brass |
| Material Specification | Qq-b-637,comp 4 fed spec 1st material response or qq-b-637,comp 1 fed spec 2nd material response |
| Nut Height | 0.212 inches minimum and 0.226 inches maximum |
| Nut Style | Hexagon |
| Size | 1/4-20 |
| Surface Treatment | Black oxide |
| Surface Treatment Specification | Mil-f-495 mil spec single treatment response |
| Thread Class | 2b |
| Thread Direction | Right-hand |
| Thread Qty | 20 |
| Thread Qty Per Inch (tpi) | 20 |
| Thread Series | UNC |
| Thread Size | 0.250 |
| Width Across Flats | 0.4280 inches minimum and 0.4375 inches maximum |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
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.
- 12387305-3 Commercial 1/4-20 · Steel
- MS51967-2 MS 1/4-20 · Steel
- MS51967-3 MS 1/4-20 · Steel
- MS51971-1 MS 1/4-20 · CRES
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Catalog data updated 2026-07-05. Report a data error