screws › close tolerance screws
NAS1580C3T20
Close Tolerance Screw
Description
Fastener Length: 1-5/8", Thread: 10-32, Thread Length: 23/64
Specifications
| Countersink Angle | Between 99.0 degrees and 101.0 degrees |
|---|---|
| Fastener Length | Between 1.598 inches and 1.628 inches |
| Grip Diameter | Between 0.1885 inches and 0.1895 inches |
| Grip Length | Between 1.240 inches and 1.260 inches |
| Head Diameter | Between 0.339 inches and 0.381 inches |
| Head Style | Flat countersunk |
| Internal Drive Style | Cross recess type 1 |
| Material | Iron |
| Material Specification | Ams5731 assn standard single material response or ams5732 assn standard single material response or ams5737 assn standard single material response |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| Specification Data | 80205-nas1580 professional/industrial association standard |
| 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 | 0.363 |
| Thread Qty | 32 |
| Thread Qty Per Inch (tpi) | 32 |
| Thread Series | UNJF |
| Thread Series Designator | Unjf (fine thread with external controlled root radius) |
| Thread Size | 10 |
Cross-reference
No interchangeable or dimensionally similar parts are on record for NAS1580C3T20. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error