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NAS1306-3
Machine Bolt
Description
Fastener Length: 25/32", Hole Diameter: 1/16", Thread: 3/8-24, Thread Length: 41/64
Specifications
| Fastener Length | 0.751 inches minimum and 0.781 inches maximum |
|---|---|
| Grip Diameter | 0.3735 inches minimum and 0.3745 inches maximum |
| Grip Length | 0.178 inches minimum and 0.198 inches maximum |
| Hardness Rating | 36.0 rockwell c minimum and 40.0 rockwell c maximum |
| Head Height | 0.188 |
| Head Style | Dished hexagon |
| Hole Configuration Style | Hexagon corners |
| Hole Diameter | 0.070 |
| Hole Quantity | 3 |
| Hole Type | Drilled |
| Length | 25/32 |
| Material | Steel |
| Material Specification | Mil-s-5626 mil spec 1st material response or mil-s-5000 mil spec 2nd material response or mil-s-8503 mil spec 3rd material response or mil-s-6098 mil spec 4th material response or mil-s-6049 mil spec 5th material response |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| Specification Data | 80205-nas1306 professional/industrial association standard |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Qq-p-416,type 2,class 3 fed spec single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.375 |
| Thread Direction | Right-hand |
| Thread Length | 0.603 inches minimum and 0.653 inches maximum |
| Thread Qty | 24 |
| Thread Qty Per Inch (tpi) | 24 |
| Thread Series Designator | UNF |
| Thread Size | 3/8 |
| Width Between Flats | 0.553 inches minimum and 0.564 inches maximum |
Cross-reference
Similar parts
Parts with matching key dimensions — often from a different standards family. Candidates for comparison only; verify the full specification before substituting.
- NAS1306-3H NAS 3/8-24 · 25/32 in · Dished hexagon · Steel
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Catalog data updated 2026-07-05. Report a data error