screws › close tolerance screws
NAS4503U5
Close Tolerance Screw
Description
length: 0.635", grip: 0.312", thread: 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 | 0.620 inches minimum and 0.650 inches maximum |
| Grip Diameter | 0.1890 inches minimum and 0.1895 inches maximum |
| Grip Length | 0.302 inches minimum and 0.322 inches maximum |
| Head Diameter | 0.338 inches minimum and 0.381 inches maximum |
| Head Style | Flat countersunk |
| Internal Drive Style | Tri-wing recess |
| Length | 41/64 |
| 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
No interchangeable or dimensionally similar parts are on record for NAS4503U5. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error