screws › close tolerance screws
NAS7503U2
Close Tolerance Screw
Description
length: 0.448", grip: 0.125", thread: 10-32, close tolerance, unplated steel, NAS7503 series screw
Specifications
| Countersink Angle | 99.0 degrees minimum and 101.0 degrees maximum |
|---|---|
| Fastener Length | 0.433 inches minimum and 0.463 inches maximum |
| Grip Diameter | 0.1890 inches minimum and 0.1895 inches maximum |
| Grip Length | 0.115 inches minimum and 0.135 inches maximum |
| Hardness Rating | 36.0 rockwell c minimum and 40.0 rockwell c maximum |
| Head Diameter | 0.338 inches minimum and 0.381 inches maximum |
| Head Style | Flat countersunk |
| Internal Drive Style | Cross recess type 1 |
| Length | 29/64 |
| Material | Iron |
| Material Specification | Ams 5731 assn std single material response or ams 5737 assn std single material response |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| Specification Data | 80205-nas7503 professional/industrial association standard |
| Surface Finish | 32.0 microinches grip, 32.0 microinches threads |
| Surface Treatment | Passivate |
| Surface Treatment Specification | Qq-p-35 fed spec single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.190 |
| Thread Direction | Right-hand |
| Thread Length | 0.298 inches minimum and 0.348 inches maximum |
| 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
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Catalog data updated 2026-07-05. Report a data error