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NAS674V42D
Bolt
Description
Fastener Length: 3-1/16", Thread: 1/4-28, Thread Length: 7/16"
Specifications
| Distance From Head Largest Bearing Surface To Shank Hole Center | 2.844 inches minimum first hole and 2.894 inches maximum first hole |
|---|---|
| Fastener Length | 3.035 inches minimum and 3.065 inches maximum |
| Grip Diameter | 0.2490 inches minimum and 0.2495 inches maximum |
| Grip Length | 2.615 inches minimum and 2.635 inches maximum |
| Head Height | 0.125 inches minimum and 0.140 inches maximum |
| Head Style | Hexagon Head |
| Length | 3 1/16 |
| Material | Titanium |
| Material Specification | Nas 621 assn std single material response |
| Shank Unthreaded Hole Diameter | 0.076 inches minimum first hole and 0.086 inches maximum first hole |
| Specification Data | 80205-nas674 professional/industrial association standard |
| Surface Finish | 16.0 microinches threads, 63.0 microinches bearing surface of head, 63.0 microinches grip |
| Thread Class | 3a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | 0.400 inches minimum and 0.450 inches maximum |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series Designator | UNJF |
| Thread Size | 1/4 |
| Width Between Flats | 0.430 inches minimum and 0.439 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.
- NAS674V42 NAS 1/4-28 · 0.099 in · Hexagon Head · Titanium
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Catalog data updated 2026-07-05. Report a data error