bolts › shear bolts
MS21250-05040
Bolt
Description
Bolt
Specifications
| Country of Origin | USA |
|---|---|
| Extended Washer Diameter | 0.521 inches minimum and 0.531 inches maximum |
| Extended Washer Thickness | 0.082 |
| Fastener Length | 3.099 |
| Grip Diameter | 0.3110 inches minimum and 0.3120 inches maximum |
| Grip Length | 2.399 inches minimum and 2.601 inches maximum |
| Hardness Rating | 39.0 rockwell c minimum and 43.0 rockwell c maximum |
| Head Height | 0.348 |
| Head Style | Double hexagon w/hole |
| Length | 3 3/32 |
| Material | Steel |
| Material Specification | Mil-s-5626 mil spec 1st material response or mil-s-5000 mil spec 2nd material response or mil-s-6049 mil spec 3rd material response or mil-s-8503 mil spec 4th material response |
| Min. Tensile Strength (psi) | 180000 pounds per square inch |
| NIIN | 01-152-4934 |
| NSN | 5306-01-152-4934 |
| Surface Treatment | Cadmium |
| Surface Treatment Specification | Qq-p-416 type ii class 2 fed spec single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.3125 |
| Thread Direction | Right-hand |
| Thread Length | 0.579 inches minimum |
| Thread Qty | 24 |
| Thread Qty Per Inch (tpi) | 24 |
| Thread Series Designator | UNJF |
| Thread Size | 5/16 |
| Weight | .005 lb |
| Width Between Flats | 0.367 inches minimum and 0.376 inches maximum |
Cross-reference
No interchangeable or dimensionally similar parts are on record for MS21250-05040. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error