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MS9697-06
Military Standard Machine Bolt
Description
Fastener Length: 1/2", Thread: 1/4-28, Thread Length: 27/64
Specifications
| Extended Washer Diameter | 0.428 inches minimum and 0.448 inches maximum |
|---|---|
| Extended Washer Thickness | 0.060 inches minimum and 0.070 inches maximum |
| Fastener Length | 0.490 inches minimum and 0.510 inches maximum |
| Features Provided | Finished head |
| Grip Length | 0.079 inches minimum and 0.099 inches maximum |
| Hardness Rating | 34.0 rockwell c minimum and 44.0 rockwell c maximum |
| Head Height | 0.293 inches minimum and 0.313 inches maximum |
| Head Style | Double hexagon w/hole |
| Length | 1/2 |
| Material | Nickel |
| Material Specification | Ams 5708 assn std single material response |
| Min. Tensile Strength (psi) | 165000 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 | 0.391 inches minimum and 0.431 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