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MS21250-05006
0.974 Inch Total Length MS21250 Hexagon Socket Head External Wrenching Bolt
Description
Fastener Length: 63/64", Thread: 1/4-24, Thread Length: 39/64
Specifications
| Alternate Part Number | MS2125005006 |
|---|---|
| Country of Origin | USA |
| Extended Washer Diameter | Between 0.521 inches and 0.531 inches |
| Extended Washer Thickness | 0.082 |
| Fastener Length | Between 0.964 inches and 0.984 inches |
| Features | External Wrenching |
| Grip | 0.375 in |
| Grip Diameter | Between 0.3110 inches and 0.3120 inches |
| Grip Length | Between 0.365 inches and 0.385 inches |
| Grip Tolerance | ±0.010 in |
| Hardness Rating | 39.0 rockwell c and 43.0 rockwell c |
| Head Height | 0.348 |
| Head Style | Double hexagon w/hole |
| Head Type | 12 Point Hexagon, Flanged |
| Industry Standards/Certification | MS21250 |
| Material | Steel |
| Material Specification | Mil-s-6049 military specification 1st material response or mil-s-5626 military specification 2nd material response or mil-s-5000 military specification 3rd material response or mil-s-8503 military specification 4th material response |
| Min. Tensile Strength (psi) | 180000 pounds per square inch |
| Pressure | 180 ksi |
| Suggested Nuts for the Bolts | 42FLW |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Qq-p-416 ty2 cl3 federal specification single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.312 |
| Thread Direction | Right-hand |
| Thread Length | Between 0.579 inches and 0.619 inches |
| 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 | 0.3125-24, 1/4 |
| Total Length | 0.974 in |
| Weight | .005 lb |
| Width Between Flats | Between 0.367 inches and 0.376 inches |
Cross-reference
No interchangeable or dimensionally similar parts are on record for MS21250-05006. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error