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NAS6303-3
Close Tolerance Bolt
Description
Hex Head, Short Thread NAS6303 Material - Cres (A286) Per AMS5731, AMS5732, AMS5737 or AMS5853 Finish - Cadmium Per AMS-QQ-P-416 Type II, Class 2 or Passivate Per Ams2700 (U Code) Heat Treat - 160-190 KSI Per AMS2759
Specifications
| Country of Origin | USA |
|---|---|
| Fastener Length | 0.496 inches minimum and 0.526 inches maximum |
| Grip | 0.1875 |
| Grip Diameter | 0.1885 inches minimum and 0.1895 inches maximum |
| Grip Length | 0.178 inches minimum and 0.198 inches maximum |
| Head Height | 0.117 inches minimum and 0.125 inches maximum |
| Head Style | Dished hexagon |
| Length | 0.5105, 33/64 |
| Material | Iron |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| Minimum Yield Strength | 95000 pounds per square inch |
| NIIN | 01-046-3894 |
| NSN | 5306-01-046-3894 |
| Specification Data | 80205-nas6303 professional/industrial association standard |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Qq-p-416, type 2, class 2 fed spec all treatment responses |
| Thread Class | 3a |
| Thread Diameter | 0.190 |
| Thread Direction | Right-hand |
| Thread Length | 0.323 inches maximum |
| Thread Qty | 32 |
| Thread Qty Per Inch (tpi) | 32 |
| Thread Series Designator | UNJF |
| Thread Size | 10 |
| Weight | 0.0005 lb |
| Width Between Flats | 0.367 inches minimum and 0.376 inches maximum |
Cross-reference
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Catalog data updated 2026-07-05. Report a data error