bolts › shear bolts
NAS1271-4
Shear Bolt
Description
12 point, drilled
Specifications
| Extended Washer Diameter | Between 0.428 inches and 0.438 inches |
|---|---|
| Extended Washer Thickness | Between 0.059 inches and 0.079 inches |
| Fastener Length | Between 0.720 inches and 0.750 inches |
| Grip Diameter | Between 0.2485 inches and 0.2495 inches |
| Grip Length | Between 0.240 inches and 0.260 inches |
| Head Height | Between 0.290 inches and 0.310 inches |
| Head Style | Double hexagon with hole |
| 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-nas1271 professional/industrial association standard |
| Thread Class | 3a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | Between 0.460 inches and 0.510 inches |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series | UNF |
| Thread Series Designator | Unf (fine thread) |
| Width Between Flats | Between 0.306 inches and 0.315 inches |
Cross-reference
No interchangeable or dimensionally similar parts are on record for NAS1271-4. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error