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MS9697-12
Military Standard Bolt
Description
Fastener Length: 7/8", Thread: 1/4-28, Thread Length: 25/32"
Specifications
| Extended Washer Diameter | 0.438 |
|---|---|
| Extended Washer Thickness | 0.060 inches minimum and 0.070 inches maximum |
| Fastener Length | 0.875 |
| Features Provided | Finished head |
| Grip Length | 0.079 inches minimum and 0.125 inches maximum |
| Hardness Rating | 34.0 rockwell c minimum and 44.0 rockwell c maximum |
| Head Height | 0.303 |
| Head Style | Double hexagon w/hole |
| Length | 7/8 |
| Material | Nickel |
| Material Specification | Ams 5708 assn std single material response |
| Min. Tensile Strength (psi) | 175000 pounds per square inch |
| Minimum Yield Strength | 115000 pounds per square inch |
| Surface Finish | 32.0 microinches bearing surface of head, 32.0 microinches grip, 32.0 microinches threads |
| Thread Class | 3a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | 0.750 inches minimum and 0.796 inches maximum |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series Designator | UNJF |
| Thread Size | 1/4 |
| Width Between Flats | 0.305 inches minimum and 0.313 inches maximum |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
Cross-reference
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Catalog data updated 2026-07-05. Report a data error