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NAS1305-6
Machine Bolt
Description
Fastener Length: 27/32", Thread: 1/4-24, Thread Length: 15/32
Specifications
| Fastener Length | 0.844 |
|---|---|
| Grip Diameter | Between 0.3110 inches and 0.3120 inches |
| Grip Length | 0.375 |
| Hardness Rating | 36.0 rockwell c and 40.0 rockwell c |
| Head Height | 0.156 |
| Head Style | Dished hexagon |
| Material | Steel |
| Material Specification | Mil-s-5626 military specification 1st material response or mil-s-5000 military specification 2nd material response or mil-s-8503 military specification 3rd material response or mil-s-6098 military specification 4th material response or mil-s-6049 military specification 5th material response |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| Specification Data | 80205-nas1305 professional/industrial association standard |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Type 2 cl 2 federal specification single treatment response qq-p-416 |
| Thread Class | 3a |
| Thread Diameter | 0.312 |
| Thread Direction | Right-hand |
| Thread Length | 0.469 |
| Thread Qty | 24 |
| Thread Qty Per Inch (tpi) | 24 |
| Thread Series | UNF |
| Thread Series Designator | Unf (fine thread) |
| Thread Size | 1/4 |
| Width Between Flats | Between 0.492 inches and 0.502 inches |
Cross-reference
Interchangeable
Parts that share a National Stock Number or are listed as an alternate for NAS1305-6 — functionally equivalent.
- NAS6605-6 Listed alternate 24.00-24 · 27/32 in · Dished hexagon · Steel
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Catalog data updated 2026-07-05. Report a data error