screws › close tolerance screws
NAS1580C3R12
Close Tolerance Screw
Description
Thread Qty: 32, Material: Iron, Surface Treatment: Passivate, Tensile Strength: 160000, Head Style: Flat Countersunk, NAS1580C3R series screw
Specifications
| Countersink Angle | Between 99.0 degrees and 101.0 degrees |
|---|---|
| Fastener Length | Between 1.098 inches and 1.128 inches |
| Grip Diameter | Between 0.1890 inches and 0.1895 inches |
| Grip Length | Between 0.740 inches and 0.760 inches |
| Head Diameter | Between 0.339 inches and 0.381 inches |
| Head Style | Flat countersunk |
| Internal Drive Style | Torque-set ribbed |
| Material | Iron |
| Material Specification | Ams 5731 assn standard single material response or ams 5732 assn standard single material response or ams 5737 assn standard single material response |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| Specification Data | 80205-nas1580 professional/industrial association standard |
| Surface Finish | 32.0 microinches grip, 32.0 microinches threads, 63.0 microinches surface of head |
| Surface Treatment | Passivate |
| Surface Treatment Specification | Qq-p-35 federal specification single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.190 |
| Thread Direction | Right-hand |
| Thread Length | Between 0.338 inches and 0.388 inches |
| Thread Qty | 32 |
| Thread Qty Per Inch (tpi) | 32 |
| Thread Series | UNJF |
| Thread Series Designator | Unjf (fine thread with external controlled root radius) |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
- NAS1580C3R12
- NAS1580C3R12P
Cross-reference
No interchangeable or dimensionally similar parts are on record for NAS1580C3R12. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error