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NAS603-4
Machine Screw
Description
Fastener Length: 1/4", Thread: 10-32, Thread Length: 1/4", NAS603 series screw
Specifications
| Fastener Length | 0.220 inches minimum and 0.250 inches maximum |
|---|---|
| Hardness Rating | 36.0 rockwell c minimum and 40.0 rockwell c maximum |
| Head Diameter | 0.357 inches minimum and 0.373 inches maximum |
| Head Height | 0.122 inches minimum and 0.133 inches maximum |
| Head Style | Pan Head |
| Internal Drive Style | Cross recess type 1 |
| Length | 1/4 |
| Material | Steel |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| Screw Material | Steel comp 4037 or steel comp 8630 |
| Screw Material Specification | -1l-s-6050 mil spec 1st material response or ams 6300 assn std 2nd material response |
| Screw Surface Treatment | Cadmium |
| Screw Surface Treatment Specification | Qq-p-416,ty 1,cl 3 fed spec single treatment response |
| Specification Data | 80205-nas603 professional/industrial association standard |
| Thread Class | 3a |
| Thread Diameter | 0.190 |
| Thread Direction | Right-hand |
| Thread Length | 0.158 inches minimum and 0.250 inches maximum |
| Thread Qty | 32 |
| Thread Qty Per Inch (tpi) | 32 |
| Thread Series Designator | UNJF |
| Thread Size | 10 |
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.
- MS21090-347 MS #10-32 · 1/4 in · Pan Head · Steel
- NAS1100E3-4 NAS #10-32 · 1/4 in · Pan Head · Iron
- NAS603-4B NAS #10-32 · 1/4 in · Pan Head · Steel
- NAS603-4P NAS #10-32 · 1/4 in · Pan Head · Steel
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Catalog data updated 2026-07-05. Report a data error