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NAS630-38
Machine Bolt
Description
Machine Bolt part number NAS630-38
Specifications
| Extended Washer Diameter | 1.040 inches minimum and 1.050 inches maximum |
|---|---|
| Extended Washer Thickness | 0.140 inches minimum and 0.160 inches maximum |
| Fastener Length | 3.233 inches minimum and 3.263 inches maximum |
| Grip Diameter | 0.6230 inches minimum and 0.6240 inches maximum |
| Grip Length | 2.365 inches minimum and 2.385 inches maximum |
| Hardness Rating | 39.0 rockwell c minimum and 43.0 rockwell c maximum |
| Head Height | 0.608 inches minimum and 0.628 inches maximum |
| Head Style | Double hexagon w/hole |
| Length | 3 1/4 |
| 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) | 180000 pounds per square inch |
| Specification Data | 80205-nas630 professional/industrial association standard |
| Surface Treatment | Cadmium |
| Surface Treatment Specification | Nas 672 assn std single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.625 |
| Thread Direction | Right-hand |
| Thread Length | 0.848 inches minimum and 0.898 inches maximum |
| Thread Qty | 18 |
| Thread Qty Per Inch (tpi) | 18 |
| Thread Series Designator | UNJF |
| Thread Size | 5/8 |
| Width Between Flats | 0.682 inches minimum and 0.691 inches maximum |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
Cross-reference
No interchangeable or dimensionally similar parts are on record for NAS630-38. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error