screws › close tolerance screws
NAS1153V20
Close Tolerance Screw
Description
flat head, torque set
Specifications
| Countersink Angle | Between 99 degrees and 101 degrees |
|---|---|
| Fastener Length | Between 1.511 inches and 1.541 inches |
| Grip Diameter | Between 0.1885 inches and 0.1895 inches |
| Grip Length | Between 1.24 inches and 1.26 inches |
| Head Diameter | Between 0.328 inches and 0.385 inches |
| Head Style | Flat countersunk |
| Internal Drive Style | Offset cruciform (torque set) |
| Material | Titanium |
| Material Specification | Comp 6al-4v assn standard single material response nas621 |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| Specification Data | 80205-nas1153 professional/industrial association standard |
| Surface Finish | 32.0 microinches grip |
| Thread Class | 3a |
| Thread Diameter | 0.190 |
| Thread Direction | Right-hand |
| Thread Length | Between 0.251 inches and 0.301 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.
Cross-reference
No interchangeable or dimensionally similar parts are on record for NAS1153V20. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error