bolts › shear bolts
NAS6604-58
Shear Bolt
Description
Fastener Length: 4-1/16", Thread: 1/4-28, Thread Length: 7/16
Specifications
| Fastener Length | Between 4.035 inches and 4.065 inches |
|---|---|
| Grip Diameter | Between 0.2445 inches and 0.2450 inches |
| Grip Length | Between 3.615 inches and 3.635 inches |
| Hardness Rating | 36.0 rockwell c and 40.0 rockwell c |
| Head Height | Between 0.125 inches and 0.140 inches |
| Head Style | Dished hexagon |
| Material | Steel |
| Material Specification | Mil-s-5000 military specification 1st material response or mil-s-6049 military specification 2nd material response or ams6322 assn standard 2nd material response |
| Min. Tensile Strength (psi) | 160000 pounds per square inch |
| Specification Data | 80205-nas6604 professional/industrial association standard |
| Surface Finish | 32.0 microinches grip, 32.0 microinches surface of head, 32.0 microinches threads |
| Surface Treatment | Cadmium and chromate |
| Surface Treatment Specification | Class 2 federal specification single treatment response qq-p-416 type 2 |
| Thread Class | 3a |
| Thread Diameter | 0.250 |
| Thread Direction | Right-hand |
| Thread Length | Between 0.400 inches and 0.450 inches |
| Thread Qty | 28 |
| Thread Qty Per Inch (tpi) | 28 |
| Thread Series Designator | Unjf (fine thread with external controlled root radius) |
| Thread Size | 1/4 |
| Width Between Flats | Between 0.429 inches and 0.439 inches |
Cross-reference
No interchangeable or dimensionally similar parts are on record for NAS6604-58. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error