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NAS1004-32A
Machine Bolt
Description
length: 2.544", thread: 1/4-28, hex head, corrosion resistant steel
Specifications
| Fastener Length | 2.544 |
|---|---|
| Features Provided | Finished head |
| Grip Length | 2.000 |
| Head Height | 0.156 |
| Head Style | Hexagon Head |
| Length | 2 17/32 |
| Material | Iron |
| Material Specification | Ams 5732 assn std 1st material response or ams 5737 assn std 1st material response or ams 5733 assn std 2nd material response |
| Min. Tensile Strength (psi) | 140000 pounds per square inch |
| Minimum Yield Strength | 85000 pounds per square inch |
| Surface Treatment | Passivate |
| Surface Treatment Specification | Mil-s-5002 mil spec single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | 0.544 inches minimum |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series Designator | UNF |
| 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.
- NAS1004-32 NAS 1/4-28 · 0.086 in · Hexagon Head · Iron
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Catalog data updated 2026-07-05. Report a data error