NationalStockNumber.INFO
Worldwide distributor of NSN parts and consumables located in the USA.
Worldwide distributor of NSN parts and consumables located in the USA.
Length: 5/8", thread: 1/4-28, 12 point machine bolt, extended washer head, corrosion and heat resistant steel
| National Stock Number (NSN) | 5306-00-143-2892 |
| Alternate Part Number | N/A |
| Federal Supply Class (FSC) | 5306 |
| Unit of Measure (UOM) | 5 /Ea. |
| Thread Class | 3a |
| Thread Direction | Right-hand |
| Thread Length | Between 0.526 inches and 0.546 inches |
| Fastener Length | 0.625 inches |
| Head Style | Double hexagon w/hole |
| Head Height | 0.300 inches |
| Width Between Flats | Between 0.305 inches and 0.313 inches |
| Extended Washer Diameter | 0.438 inches |
| Extended Washer Thickness | Between 0.060 inches and 0.070 inches |
| Thread Diameter | 0.250 inches |
| Grip Length | Between 0.079 inches and 0.099 inches |
| Features Provided | Finished head |
| Thready Qty Per Inch (tpi) | 28 |
| Min. Tensile Strength (psi) | 130000 pounds per square inch |
| Hardness Rating | 248.0 brinell standard and 341.0 brinell standard |
| Minimum Yield Strength | 85000 pounds per square inch |
| Surface Finish | 32.0 microinches bearing surface of head |
| Surface Finish | 32.0 microinches grip |
| Surface Finish | 32.0 microinches threads |
| Material | Iron alloy 660 |
| Material Specification | Ams5731 assn standard single material response |
| Thread Series Designator | Unjf |
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