bolts › shear bolts
MS21250-04034
Military Standard Shear Bolt
Description
Fastener Length: 2-41/64", Thread: 1/4-28, Thread Length: 17/32
Specifications
| Extended Washer Diameter | 0.428 inches minimum and 0.438 inches maximum |
|---|---|
| Extended Washer Thickness | 0.059 inches minimum and 0.079 inches maximum |
| Fastener Length | 2.627 inches minimum and 2.647 inches maximum |
| Grip Diameter | 0.2485 inches minimum and 0.2495 inches maximum |
| Grip Length | 2.115 inches minimum and 2.135 inches maximum |
| Hardness Rating | 39.0 rockwell c minimum and 43.0 rockwell c maximum |
| Head Height | 0.290 inches minimum and 0.310 inches maximum |
| Head Style | Double hexagon w/hole |
| Length | 2 41/64 |
| Material | Steel |
| Min. Tensile Strength (psi) | 180000 pounds per square inch |
| Surface Finish | 32.0 microinches bearing surface of head, 32.0 microinches grip |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Qq-p-416 ty 2 cl 2 fed spec single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | 0.492 inches minimum and 0.532 inches maximum |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series Designator | UNJF |
| Thread Size | 1/4 |
| Width Between Flats | 0.302 inches minimum and 0.322 inches maximum |
Cross-reference
No interchangeable or dimensionally similar parts are on record for MS21250-04034. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error