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NAS1218-5-6P
Bolt
Description
Fastener Length: 55/64", Thread: 1/4-24, Thread Length: 15/32"
Specifications
| Fastener Length | 0.830 inches minimum and 0.860 inches maximum |
|---|---|
| Head Diameter | 0.592 inches minimum and 0.612 inches maximum |
| Head Height | 0.176 inches minimum and 0.188 inches maximum |
| Head Style | Pan no. 2 |
| Internal Drive Style | High-torque |
| Length | 55/64 |
| Material | Steel |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| Screw Material | Steel comp 4140 or steel comp e4340 or steel comp 6150 or steel comp 8735 or steel comp 8740 or steel comp 4037 |
| Screw Material Specification | Mil-s-5626 mil spec 1st material response or mil-5000 mil spec 2nd material response or mil-s-8503 mil spec 3rd material response or mil-s-6098 mil spec 4th material response or mil-s-6047 mil spec 5th material response or ams6300 assn std 6th material response |
| Screw Surface Treatment | Cadmium and chromate |
| Screw Surface Treatment Specification | Qq-p-416 ty2 cl2 fed spec single treatment response |
| Thread Class | 3a |
| Thread Diameter | 0.312 |
| Thread Direction | Right-hand |
| Thread Length | 0.470 |
| 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.
- NAS1218-5-4P
- NAS1218-5-6P
Cross-reference
No interchangeable or dimensionally similar parts are on record for NAS1218-5-6P. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error