screws › machine screws
NAS5902-8
Screw
Description
Fastener Length: 1/2", Thread: 8-32, Thread Length: 1/2"
Specifications
| Fastener Length | 0.470 inches minimum and 0.500 inches maximum |
|---|---|
| Hardness Rating | 36.0 rockwell c minimum and 40.0 rockwell c maximum |
| Head Height | 0.096 inches minimum and 0.110 inches maximum |
| Head Style | Hexagon Head |
| Internal Drive Style | Tri-wing recess |
| Length | 1/2 |
| Material | Steel |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| Screw Material | Steel comp 4340 or steel comp 8740 |
| Screw Material Specification | Mil-s-5000 mil spec 1st material response or mil-s-6049 mil spec 2nd material response or ams 6322 assn std 2nd material response |
| Screw Surface Treatment | Cadmium and chromate |
| Screw Surface Treatment Specification | Qq-p-416 ty 2 cl 2 fed spec single treatment response |
| Specification Data | 80205-nas5902 professional/industrial association standard |
| Thread Class | 3a |
| Thread Diameter | 0.164 |
| Thread Direction | Right-hand |
| Thread Length | 0.408 inches minimum and 0.500 inches maximum |
| Thread Qty | 32 |
| Thread Qty Per Inch (tpi) | 32 |
| Thread Series Designator | UNJC |
| Thread Size | 8 |
| Width Between Flats | 0.243 inches minimum and 0.251 inches maximum |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
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.
- MS51849-54C MS #8-32 · 1/2 in · Hexagon Head · Steel
- NAS1801-08-8 NAS #8-32 · 1/2 in · Hexagon Head · Steel
- NAS1802-08-8 NAS #8-32 · 1/2 in · Hexagon Head · Iron
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Catalog data updated 2026-07-05. Report a data error