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MS21025-31
Military Standard Plain Castellated Hexagon Nut
Description
Plain Castellated Hexagon Nut
Specifications
| Bearing Surface Type | Washer faced |
|---|---|
| Countersink Angle | 110.0 degrees nominal nut |
| Hardness Rating | 30.0 rockwell c minimum and 34.0 rockwell c maximum |
| Material | Steel |
| Material Specification | Aisi assn std single material response |
| Nut Height | 0.594 |
| Nut Style | Castellated, hexagon |
| Surface Treatment | Cadmium |
| Surface Treatment Specification | Qq-p-416,ty 2,cl 3 fed spec single treatment response |
| Thread Class | 3b |
| Thread Direction | Right-hand |
| Thread Qty Per Inch (tpi) | 16 |
| Thread Series | UN |
| Thread Size | 1.938 |
| Width Across Flats | 2.250 |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
- MS21025-24
- MS21025-31
Cross-reference
No interchangeable or dimensionally similar parts are on record for MS21025-31. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error