bolts › close tolerance bolts
NAS1155V4
Bolt
Description
Fastener Length: 5/8", Thread: 1/4-24, Thread Length: 3/8"
Specifications
| Countersink Angle | 99.0 degrees minimum and 101.0 degrees maximum |
|---|---|
| Fastener Length | 0.610 inches minimum and 0.640 inches maximum |
| Grip Diameter | 0.2485 inches minimum and 0.2495 inches maximum |
| Grip Length | 0.250 |
| Head Diameter | 0.499 inches minimum and 0.507 inches maximum |
| Head Style | Flat countersunk |
| Internal Drive Style | Offset cruciform (torque set) |
| Length | 5/8 |
| Material | Titanium |
| Material Specification | Nas 621,6al-4v assn std single material response |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| Specification Data | 80205-nas1154 professional/industrial association standard |
| Surface Finish | 32.0 microinches grip, 32.0 microinches threads |
| Thread Class | 3a |
| Thread Diameter | 0.312 |
| Thread Direction | Right-hand |
| Thread Length | 0.375 inches minimum |
| Thread Qty | 24 |
| Thread Qty Per Inch (tpi) | 24 |
| Thread Series Designator | UNJF |
| Thread Size | 1/4 |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
- NAS1155V4
- NAS1155V7
- NAS1155V9
- NAS1155V16
- NAS1155V20
Cross-reference
No interchangeable or dimensionally similar parts are on record for NAS1155V4. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error