bolts › shear bolts
MS21250-12040
Military Standard Shear Bolt
Description
Fastener Length: 3-9/16", Thread: 3/4-16, Thread Length: 1-1/16
Specifications
| Extended Washer Diameter | 1.220 inches minimum and 1.230 inches maximum |
|---|---|
| Extended Washer Thickness | 0.178 |
| Fastener Length | 3.546 inches minimum and 3.566 inches maximum |
| Grip Diameter | 0.7480 inches minimum and 0.7490 inches maximum |
| Grip Length | 2.490 inches minimum and 2.510 inches maximum |
| Hardness Rating | 39.0 rockwell c minimum and 43.0 rockwell c maximum |
| Head Height | 0.711 |
| Head Style | Double hexagon w/hole |
| Length | 3 9/16 |
| Material | Steel |
| Material Specification | Mil-s-6049 mil spec 1st material response or mil-s-5626 mil spec 2nd material response or mil-s-5000 mil spec 3rd material response or mil-s-8503 mil spec 4th material response |
| Min. Tensile Strength (psi) | 180000 pounds per square inch |
| Surface Treatment | Cadmium |
| Surface Treatment Specification | Qq-p-416,ty 2 cl 3 fed spec single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.750 |
| Thread Direction | Right-hand |
| Thread Length | 1.036 inches minimum and 1.076 inches maximum |
| Thread Qty | 16 |
| Thread Qty Per Inch (tpi) | 16 |
| Thread Series Designator | UNJF |
| Thread Size | 3/4 |
| Width Between Flats | 0.803 inches minimum and 0.814 inches maximum |
Cross-reference
No interchangeable or dimensionally similar parts are on record for MS21250-12040. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error