bolts › close tolerance bolts
NAS1189V4T18
Bolt
Description
Fastener Length: 1-3/16", Thread: 4-40, Thread Length: 1-1/16"
Specifications
| Bearing Surface Of Head Surface Finish | 32.0 microinches |
|---|---|
| Countersink Angle | 99.0 degrees minimum and 101.0 degrees maximum |
| Fastener Length | 1.125 inches minimum and 1.187 inches maximum |
| Head Diameter | 0.177 inches minimum and 0.225 inches maximum |
| Head Style | Flat countersunk |
| Internal Drive Style | Torque set |
| Length | 1 3/16 |
| Material | Titanium |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| Screw Material | Titanium alloy uns r56400 |
| Screw Material Specification | Ams 4928 assn std single material response or ams 4967 assn std single material response |
| Specification Data | 80205-nas1189 professional/industrial association standard |
| Thread Class | 3a |
| Thread Diameter | 0.112 |
| Thread Direction | Right-hand |
| Thread Length | 1.075 inches maximum |
| Thread Qty | 40 |
| Thread Qty Per Inch (tpi) | 40 |
| Thread Series Designator | UNJC |
| Thread Size | 4 |
| Thread Surface Finish | 32.0 microinches |
Cross-reference
No interchangeable or dimensionally similar parts are on record for NAS1189V4T18. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error