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MS21250H04028
Military Standard Shear Bolt
Description
Fastener Length: 2-17/64", Hole Diameter: ", Thread: 1/4-28, Thread Length: 17/32
Specifications
| Extended Washer Diameter | 0.428 inches minimum and 0.438 inches maximum |
|---|---|
| Extended Washer Thickness | 0.069 |
| Fastener Length | 2.252 inches minimum and 2.272 inches maximum |
| Grip Diameter | 0.2485 inches minimum and 0.2495 inches maximum |
| Grip Length | 1.740 inches minimum and 1.760 inches maximum |
| Hardness Rating | 39.0 rockwell c minimum and 43.0 rockwell c maximum |
| Head Height | 0.300 |
| Head Style | Double hexagon w/hole |
| Hole Configuration Style | Double hexagon longitudinal hole |
| Hole Diameter | 0.062 |
| Hole Quantity | 4 |
| Hole Type | Drilled |
| Length | 2 17/64 |
| 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 and chromate |
| Surface Treatment Specification | Qq-p-416,ty 2,cl 3 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 | 0.304 inches minimum and 0.313 inches maximum |
Cross-reference
No interchangeable or dimensionally similar parts are on record for MS21250H04028. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error