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NAS1004-16A
Machine Bolt
Description
Fastener Length: 1-35/64", Thread: 1/4-28, Thread Length: 9/16
Specifications
| Fastener Length | Between 1.529 inches and 1.559 inches |
|---|---|
| Features Provided | Finished head |
| Grip Length | Between 0.985 inches and 1.015 inches |
| Hardness Rating | 248.0 brinell standard and 341.0 brinell standard |
| Head Height | Between 0.14 inches and 0.172 inches |
| Head Style | Hexagon Head |
| Material | Iron |
| Material Specification | Ams5732 assn standard single material response or ams5737 assn standard single material response |
| Min. Tensile Strength (psi) | 140000 pounds per square inch |
| Specification Data | 80205-nas1004 professional/industrial association standard |
| Surface Treatment | Passivate |
| Surface Treatment Specification | Mil-s-5002 military specification single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.25 |
| Thread Direction | Right-hand |
| Thread Length | Between 0.514 inches and 0.574 inches |
| 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
No interchangeable or dimensionally similar parts are on record for NAS1004-16A. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error