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NAS334CPA5
Close Tolerance Bolt
Description
Material - Alloy Steel (8740) Heat Treat - 160,000 - 180,000 PSI Finish - Cadmium Per QQ-P-416 Type II
Specifications
| Countersink Angle | 100.0 degrees |
|---|---|
| Fastener Length | 0.641 inches minimum and 0.688 inches maximum |
| Grip | 0.188 |
| Grip Diameter | 0.2483 inches minimum and 0.2492 inches maximum |
| Grip Length | 0.178 inches minimum and 0.198 inches maximum |
| Hardness Rating | 36.0 rockwell c minimum and 40.0 rockwell c maximum |
| Head Diameter | 0.497 inches minimum and 0.507 inches maximum |
| Head Style | Flat countersunk |
| Internal Drive Style | Cross recess type 1 |
| Length | 0.657, 11/16 |
| Material | Steel |
| Material Specification | Mil-s-5626 mil spec 1st material response or mil-s-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-6049 mil spec 5th material response |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| Specification Data | 80205-nas334 professional/industrial association standard |
| Surface Finish | 32.0 microinches grip |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Qq-p-416,ty 2,cl 3 fed spec all treatment responses |
| Thread | 1/4-28 |
| Thread Class | 3a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | 0.443 inches minimum and 0.510 inches maximum |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series Designator | UNF |
| Thread Size | 1/4 |
Cross-reference
No interchangeable or dimensionally similar parts are on record for NAS334CPA5. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error