bolts › shear bolts
NAS624-4
External Wrenching Bolt
Description
Length: 0.735", grip: 0.250", thread: 1/4-28, twelve point, external wrenching, cadmium plated steel
Specifications
| Country of Origin | USA |
|---|---|
| Extended Washer Diameter | 0.433 |
| Extended Washer Thickness | 0.069 |
| 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 |
| Hardness Rating | 39.0 rockwell c and 43.0 rockwell c |
| Head Height | Between 0.290 inches and 0.310 inches |
| Head Style | Double hexagon w/hole |
| Length | 3/4 |
| Material | Steel |
| Material Specification | Mil-s-5000 military specification 1st material response or mil-s-6098 military specification 2nd material response or mil-s-6049 military specification 3rd material response or mil-s-8503 military specification 4th material response or mil-s-5626 military specification 5th material response |
| Min. Tensile Strength (psi) | 180000 pounds per square inch |
| NIIN | 00-818-5333 |
| NSN | 5306-00-818-5333 |
| Specification Data | 80205-nas624 professional/industrial association standard |
| Surface Treatment | Cadmium |
| Surface Treatment Specification | Nas 672 assn standard single treatment response |
| 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) |
| Thread Size | 1/4 |
| Weight | 0.015 lb |
| Width Between Flats | Between 0.306 inches and 0.315 inches |
Other sizes
Parts that share this base number, ordered by size. Always verify the full specification before substituting.
Cross-reference
No interchangeable or dimensionally similar parts are on record for NAS624-4. Try the cross-reference lookup to search by a different part number.
Catalog data updated 2026-07-05. Report a data error