| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 4.595 INCHES NOMINAL FIRST HOLE |
| CONCENTRIC HOLE DIAMETER | 0.498 INCHES MINIMUM AND 0.505 INCHES MAXIMUM |
| FASTENER LENGTH | 4.812 INCHES NOMINAL |
| HARDNESS RATING | 37.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM OVERALL |
| HEAD HEIGHT | 0.296 INCHES MINIMUM AND 0.328 INCHES MAXIMUM |
| HEAD STYLE | HEXAGON |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP E4340 OVERALL |
| MINIMUM TENSILE STRENGTH | 180000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 1.000 INCHES |
| NONSTANDARD THREAD PITCH DIAMETER | +0.9500 TO 0.9536 INCHES |
| SHANK UNTHREADED HOLE DIAMETER | 0.138 INCHES MINIMUM AND 0.145 INCHES MAXIMUM FIRST HOLE |
| WIDTH BETWEEN FLATS | 1.499 INCHES MINIMUM AND 1.503 INCHES MAXIMUM |
| STYLE DESIGNATOR | CONCENTRIC HOLE UNTHREADED |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.812 INCHES MINIMUM |
| THREAD SERIES DESIGNATOR | UNS |
| THREAD QUANTITY PER INCH | 14 |