bolts › shear bolts
MS21250-14038
Military Standard Bolt
Description
Fastener Length: 3-41/64", Thread: 7/8-14, Thread Length: 1-9/32"
Specifications
| Extended Washer Diameter | 1.428 inches minimum and 1.438 inches maximum |
|---|---|
| Extended Washer Thickness | 0.188 inches minimum and 0.208 inches maximum |
| Fastener Length | 3.629 inches minimum and 3.649 inches maximum |
| Grip Diameter | 0.8730 inches minimum and 0.8740 inches maximum |
| Grip Length | 2.365 inches minimum and 2.385 inches maximum |
| Hardness Rating | 39.0 rockwell c minimum and 43.0 rockwell c maximum |
| Head Height | 0.798 inches minimum and 0.818 inches maximum |
| Head Style | Double hexagon w/hole |
| Length | 3 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 type 2 class 2 fed spec single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.875 |
| Thread Direction | Right-hand |
| Thread Length | 1.244 inches minimum and 1.284 inches maximum |
| Thread Qty | 14 |
| Thread Qty Per Inch (tpi) | 14 |
| Thread Series Designator | UNJF |
| Thread Size | 7/8 |
| Width Between Flats | 0.938 |
Cross-reference
No interchangeable or dimensionally similar parts are on record for MS21250-14038. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error