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NAS1305-39
Bolt
Description
Fastener Length: 2-59/64", Thread: 1/4-24, Thread Length: 31/64"
Specifications
| Fastener Length | 2.892 inches minimum and 2.922 inches maximum |
|---|---|
| Grip Diameter | 0.3110 inches minimum and 0.3120 inches maximum |
| Grip Length | 2.428 inches minimum and 2.448 inches maximum |
| Hardness Rating | 36.0 rockwell c minimum and 40.0 rockwell c maximum |
| Head Height | 0.156 inches minimum and 0.171 inches maximum |
| Head Style | Dished hexagon |
| Length | 2 59/64 |
| Material | Steel |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| Specification Data | 80205-nas1305 professional/industrial association standard |
| Surface Finish | 32.0 microinches threads, 63.0 microinches bearing surface of head, 63.0 microinches grip |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Qq-p-416,type 2,class 2 fed spec single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.312 |
| Thread Direction | Right-hand |
| Thread Length | 0.444 inches minimum and 0.494 inches maximum |
| Thread Qty | 24 |
| Thread Qty Per Inch (tpi) | 24 |
| Thread Series Designator | UNJF |
| Thread Size | 1/4 |
| Width Between Flats | 0.492 inches minimum and 0.502 inches maximum |
Cross-reference
No interchangeable or dimensionally similar parts are on record for NAS1305-39. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error