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NAS604-7P
Machine Screw
Description
Fastener Length: 7/16", Thread: 1/4-28, Thread Length: 7/16", NAS604 series screw
Specifications
| Country of Origin | USA |
|---|---|
| Fastener Length | Between 0.408 inches and 0.438 inches |
| Hardness Rating | Between 36.0 rockwell c and 40.0 rockwell c |
| Head Diameter | Between 0.473 inches and 0.492 inches |
| Head Height | Between 0.162 inches and 0.175 inches |
| Head Style | Pan Head |
| Internal Drive Style | Cross recess type 1 |
| Length | 7/16 |
| Material | Steel |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| Screw Material | Steel comp 4140 or steel comp e4340 or steel comp 8740 |
| Screw Material Specification | Mil-s-5626 military specification 1st material response or mil-s-5000 military specification 2nd material response or mil-s-6049 military specification 3rd material response |
| Screw Surface Treatment | Cadmium and chromate |
| Screw Surface Treatment Specification | Class 3 federal specification all treatment responses type 2 qq-p-416 |
| Sold In | Per Package |
| Specification Data | 80205-nas604 professional/industrial association standard |
| Thread Class | 3a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | Between 0.337 inches and 0.438 inches |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series | UNJF |
| Thread Series Designator | Unjf (fine thread with external controlled root radius) |
| Thread Size | 1/4 |
| Weight | .005 lb |
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.
- NAS1100E4-7 NAS 1/4-28 · 7/16 in · Pan Head · Iron
- NAS604-7 NAS 1/4-28 · 7/16 in · Pan Head · Steel
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Catalog data updated 2026-07-05. Report a data error