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MS21250-05017
Bolt
Description
Bolt
Specifications
| Country of Origin | USA |
|---|---|
| Extended Washer Diameter | Between 0.521 inches and 0.531 inches |
| Extended Washer Thickness | 0.082 |
| Fastener Length | 1.661 |
| Grip Diameter | Between 0.3110 inches and 0.3120 inches |
| Grip Length | Between 1.052 inches and 1.072 inches |
| Hardness Rating | 39.0 rockwell c and 43.0 rockwell c |
| Head Height | 0.348 |
| Head Style | Double hexagon extended washer |
| Material | Steel |
| Min. Tensile Strength (psi) | 180000 pounds per square inch |
| NIIN | 01-326-3397 |
| NSN | 5306-01-326-3397 |
| Surface Finish | 32.0 microinches bearing surface of head, 32.0 microinches grip |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Cl 2 federal specification single treatment response qq-p-416 type 2 |
| Thread Class | 3a |
| Thread Diameter | 0.312 |
| Thread Direction | Right-hand |
| Thread Length | 0.599 |
| Thread Qty | 24 |
| Thread Qty Per Inch (tpi) | 24 |
| Thread Series | UNJF |
| Thread Series Designator | Unjf (fine thread with external controlled root radius) |
| Thread Size | 1/4 |
| Weight | 0.05 lb |
| Width Between Flats | 0.375 |
Cross-reference
No interchangeable or dimensionally similar parts are on record for MS21250-05017. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error