length: 2.703", grip: 2.125", thread: 3/8-24, hex head, drilled shank, tension, long thread, cadmium plated alloy steel, NAS6606 series bolt
| Specifications | |
|---|---|
| Surface Treatment Specification | Class 2 Federal Specification, single treatment response |
| Surface Treatment | Cadmium and chromate |
| Surface Finish – Threads | 32.0 microinches |
| Surface Finish – Grip | 32.0 microinches |
| Surface Finish – Bearing Surface of Head | 32.0 microinches |
| Shank Unthreaded Hole Diameter | 0.106 inches first hole, 0.116 inches first hole |
| Specification Data | 80205-NAS6606 professional/industrial association standard |
| Min. Tensile Strength | 160,000 psi |
| 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) |
| Material | Steel comp E4340 or 8740 |
| Head Style | Dished hexagon |
| Head Height | 0.188 inches minimum, 0.203 inches maximum |
| Grip Length | 2.115 inches minimum, 2.135 inches maximum |
| Grip Diameter | 0.3735 inches minimum, 0.3745 inches maximum |
| Fastener Length | 2.688 inches minimum, 2.718 inches maximum |
| Distance From Head Largest Surface To Shank Hole Center | 2.481 inches first hole, 2.531 inches first hole |
| Thread Class | 3A |
| Thread Diameter | 0.375 inches |
| Thread Direction | Right-hand |
| Thread Length | 0.553 inches minimum, 0.603 inches maximum |
| Thread Qty Per Inch (TPI) | 24 |
| Thread Series Designator | UNJF (fine thread with external controlled root radius) |
| Width Between Flats | 0.554 inches minimum, 0.564 inches maximum |


