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MS21250-10028
Military Standard Bolt
Description
Fastener Length: 2-43/64", Thread: 5/8-18, Thread Length: 15/16"
Specifications
| Extended Washer Diameter | 1.040 inches minimum and 1.050 inches maximum |
|---|---|
| Extended Washer Thickness | 0.150 |
| Fastener Length | 2.659 inches minimum and 2.679 inches maximum |
| Grip Diameter | 0.6230 inches minimum and 0.6240 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 | 0.618 |
| Head Style | Double hexagon w/hole |
| Length | 2 43/64 |
| 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 | 0.625 |
| Thread Direction | Right-hand |
| Thread Length | 0.899 inches minimum and 0.939 inches maximum |
| Thread Qty | 18 |
| Thread Qty Per Inch (tpi) | 18 |
| Thread Series Designator | UNJF |
| Thread Size | 5/8 |
| Width Between Flats | 0.679 inches minimum and 0.690 inches maximum |
Cross-reference
No interchangeable or dimensionally similar parts are on record for MS21250-10028. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error