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NAS1004-3
Machine Bolt
Description
Fastener Length: 23/32", Thread: 1/4-28, Thread Length: 17/32
Specifications
| Distance From Head Largest Bearing Surface To Shank Hole Center | 0.500 inches first hole |
|---|---|
| Fastener Length | 0.732 |
| Features Provided | Finished head |
| Grip Length | 0.188 |
| Head Height | 0.156 |
| Head Style | Hexagon Head |
| Material | Iron |
| Material Specification | Ams5732 assn standard single material response and ams5737 assn standard single material response |
| Min. Tensile Strength (psi) | 140000 pounds per square inch |
| Shank Unthreaded Hole Diameter | 0.076 inches first hole |
| Special Features | Tensile strength at room temperature |
| Surface Treatment | Passivate |
| Surface Treatment Specification | Mil-s-5002 military specification single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | 0.544 |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series | UNF |
| Thread Series Designator | Unf (fine thread) |
| Thread Size | 1/4 |
| Width Between Flats | Between 0.430 inches and 0.439 inches |
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.
- NAS1004-3A NAS 1/4-28 · 23/32 in · Hexagon Head · Iron
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Catalog data updated 2026-07-05. Report a data error