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MS21250-04028
Military Standard Shear Bolt
Description
Shear Bolt
Specifications
| Extended Washer Diameter | Between 0.428 inches and 0.438 inches |
|---|---|
| Extended Washer Thickness | 0.069 |
| Fastener Length | 2.262 |
| Grip Diameter | Between 0.2485 inches and 0.2495 inches |
| Grip Length | Between 1.740 inches and 1.760 inches |
| Hardness Rating | 39.0 rockwell c and 43.0 rockwell c |
| Head Height | 0.300 |
| Head Style | Double hexagon w/hole |
| Material | Steel |
| Material Specification | Mil-s-5000 military specification 1st material response or mil-s-6049 military specification 2nd material response or mil-s-8503 military specification 3rd material response or mil-s-5626 military specification 4th material response |
| Min. Tensile Strength (psi) | 180000 pounds per square inch |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Class 3 federal specification single treatment response qq-p-416 ty2 |
| Thread Class | 3a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | Between 0.502 inches and 0.522 inches |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series | UNJF |
| Thread Series Designator | Unjf (fine thread with external controlled root radius) |
| Width Between Flats | Between 0.304 inches and 0.313 inches |
Cross-reference
No interchangeable or dimensionally similar parts are on record for MS21250-04028. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error