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: 1.662", grip: 1.063", thread: 5/16-24, external wrenching bolt, flanged, 12 point, cadmium plated steel alloy, undrilled head
| National Stock Number (NSN) | 5306-01-326-3397 |
| Alternate Part Number | N/A |
| Federal Supply Class (FSC) | 5306 |
| Unit of Measure (UOM) | 1 /Ea. |
| Thread Class | 3a |
| Thread Direction | Right-hand |
| Thread Length | 0.599 inches |
| Fastener Length | 1.661 inches |
| Head Style | Double hexagon extended washer |
| Head Height | 0.348 inches |
| Width Between Flats | 0.375 inches |
| Extended Washer Diameter | Between 0.521 inches and 0.531 inches |
| Extended Washer Thickness | 0.082 inches |
| Grip Diameter | Between 0.3110 inches and 0.3120 inches |
| Thread Diameter | 0.312 inches |
| Grip Length | Between 1.052 inches and 1.072 inches |
| Thready Qty Per Inch (tpi) | 24 |
| Min. Tensile Strength (psi) | 180000 pounds per square inch |
| Hardness Rating | 39.0 rockwell c and 43.0 rockwell c |
| Surface Finish | 32.0 microinches bearing surface of head |
| Surface Finish | 32.0 microinches grip |
| Material | Steel comp 4140 or steel comp e4340 or steel comp 8740 or steel comp 6150 |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Qq-p-416 type 2, cl 2 federal specification single treatment response |
| Thread Series Designator | Unjf |
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