| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 3.610 INCHES NOMINAL FIRST HOLE |
| FASTENER LENGTH | 3.740 INCHES MINIMUM AND 3.760 INCHES MAXIMUM |
| HARDNESS RATING | 39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL |
| HEAD HEIGHT | 0.230 INCHES MINIMUM AND 0.250 INCHES MAXIMUM |
| HEAD DIAMETER | 1.200 INCHES MINIMUM AND 1.220 INCHES MAXIMUM |
| HEAD STYLE | ROUND W/WRENCH FLATS CHAMFERED |
| 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 | 0.625 INCHES |
| SHANK UNTHREADED HOLE DIAMETER | 0.141 INCHES NOMINAL FIRST HOLE |
| SHOULDER DIAMETER | 0.873 INCHES MINIMUM AND 0.874 INCHES MAXIMUM FIRST SHOULDER |
| SHOULDER LENGTH | 3.146 INCHES MINIMUM AND 3.166 INCHES MAXIMUM FIRST SHOULDER |
| SHOULDER SHAPE | ROUND FIRST SHOULDER |
| SPECIAL FEATURES | TWO COTTER PIN HOLES DRILLED 90 DEGREES APART |
| WIDTH BETWEEN FLATS | 0.980 INCHES MINIMUM AND 1.000 INCHES MAXIMUM |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | QQ-P-416 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CADMIUM OVERALL |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD CLASS | 3A |
| THREAD LENGTH | 0.574 INCHES MINIMUM AND 0.614 INCHES MAXIMUM |
| THREAD SERIES DESIGNATOR | UNF |
| THREAD QUANTITY PER INCH | 18 |