bolts › shear bolts
MS21250-07056
Military Standard Shear Bolt
Description
Fastener Length: 4-15/64", Thread: 7/16-20, Thread Length: 23/32
Specifications
| Extended Washer Diameter | 0.740 inches minimum and 0.750 inches maximum |
|---|---|
| Extended Washer Thickness | 0.099 |
| Fastener Length | 4.241 |
| Grip Diameter | 0.4360 inches minimum and 0.4370 inches maximum |
| Grip Length | 3.500 |
| Hardness Rating | 39.0 rockwell c minimum and 43.0 rockwell c maximum |
| Head Height | 0.435 |
| Head Style | Double hexagon w/hole |
| Length | 4 15/64 |
| Material | Steel |
| Material Specification | Mil-s-5000 mil spec 1st material response or mil-s-6049 mil spec 2nd material response or mil-s-8503 mil spec 3rd material response or mil-s-5626 mil spec 4th material response |
| Min. Tensile Strength (psi) | 180000 pounds per square inch |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Qq-p-416 ty2,class 3 fed spec single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.438 |
| Thread Direction | Right-hand |
| Thread Length | 0.721 inches minimum |
| Thread Qty | 20 |
| Thread Qty Per Inch (tpi) | 20 |
| Thread Series Designator | UNF |
| Thread Size | 7/16 |
| Width Between Flats | 0.492 inches minimum and 0.502 inches maximum |
Cross-reference
No interchangeable or dimensionally similar parts are on record for MS21250-07056. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error