bolts › shear bolts
NAS6303-6
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 |
|---|---|
| Extended Washer Diameter | 1.045 |
| Extended Washer Thickness | 0.150 |
| Fastener Length | 3.123 |
| Grip | 0.3750 |
| Grip Diameter | Between 0.6230 inches and 0.6240 inches |
| Grip Length | 2.250 |
| Hardness Rating | 39.0 rockwell c and 43.0 rockwell c |
| Head Height | 0.618 |
| Head Style | Double hexagon w/hole |
| Length | 0.6980 |
| Material | Steel |
| Material Specification | Mil-s-5000 military specification 1st material response or mil-s-6098 military specification 2nd material response or mil-s-6049 military specification 3rd material response or mil-s-8503 military specification 4th material response or mil-s-5626 military specification 5th material response |
| Min. Tensile Strength (psi) | 180000 pounds per square inch |
| NIIN | 01-057-3053 |
| NSN | 5306-01-057-3053 |
| Specification Data | 80205-nas630 professional/industrial association standard |
| Surface Treatment | Cadmium |
| Surface Treatment Specification | Nas 672 assn standard single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.625 |
| Thread Direction | Right-hand |
| Thread Length | 0.873 |
| Thread Qty Per Inch (tpi) | 18 |
| Thread Series | UNF |
| Thread Series Designator | Unf (fine thread) |
| Thread Size | 5/8 |
| Weight | 0.03 lb |
| Width Between Flats | Between 0.682 inches and 0.691 inches |
Cross-reference
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Catalog data updated 2026-07-05. Report a data error