screws › close tolerance screws
NAS4503U3
Close Tolerance Screw
Description
length: 0.573", grip: 0.250" length: 10-32, 100°, close tolerance bolt - short thread - corrosion resistant steel - tri-slot recess
Specifications
| Countersink Angle | 99.0 degrees minimum and 101.0 degrees maximum |
|---|---|
| Fastener Length | 0.496 inches minimum and 0.526 inches maximum |
| Grip Diameter | 0.1890 inches minimum and 0.1895 inches maximum |
| Grip Length | 0.178 inches minimum and 0.198 inches maximum |
| Head Diameter | 0.338 inches minimum and 0.381 inches maximum |
| Head Style | Flat countersunk |
| Internal Drive Style | Tri-wing recess |
| Length | 33/64 |
| Material | Iron |
| Material Specification | Ams 5731 assn std single material response or ams 5737 assn std single material response |
| Specification Data | 80205-nas4503 professional/industrial association standard |
| Thread Class | 3a |
| Thread Diameter | 0.190 |
| Thread Direction | Right-hand |
| Thread Length | 0.323 |
| Thread Qty | 32 |
| Thread Qty Per Inch (tpi) | 32 |
| Thread Series Designator | UNJF |
| Thread Size | 10 |
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.
- NAS7503U3 NAS #10-32 · 0.516 in · Flat countersunk · Iron
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Catalog data updated 2026-07-05. Report a data error