| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 4.470 INCHES NOMINAL FIRST HOLE |
| CONCENTRIC HOLE DIAMETER | 0.370 INCHES NOMINAL |
| COUNTERBORE DIAMETER | 0.750 INCHES NOMINAL |
| COUNTERBORE DEPTH | 3.500 INCHES NOMINAL |
| FASTENER LENGTH | 4.680 INCHES NOMINAL |
| HEAD DIAMETER | 2.000 INCHES NOMINAL |
| HEAD HEIGHT | 0.200 INCHES NOMINAL |
| HEAD STYLE | ROUND W/WRENCH FLATS |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP E4340 OVERALL |
| MINIMUM TENSILE STRENGTH | 150000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.750 INCHES |
| SHANK UNTHREADED HOLE DIAMETER | 0.141 INCHES NOMINAL FIRST HOLE |
| SHOULDER DIAMETER | 1.248 INCHES MINIMUM AND 1.249 INCHES MAXIMUM |
| SHOULDER LENGTH | 3.800 INCHES MINIMUM AND 3.805 INCHES MAXIMUM |
| WIDTH BETWEEN FLATS | 1.750 INCHES NOMINAL |
| STYLE DESIGNATOR | COUNTERBORE UNTHREADED |
| SURFACE TREATMENT | CADMIUM OVERALL |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.790 INCHES MINIMUM |
| THREAD QUANTITY PER INCH | 16 |
| THREAD SERIES DESIGNATOR | UNF |