| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 2.600 INCHES NOMINAL FIRST HOLE |
| CONCENTRIC HOLE DIAMETER | 0.561 INCHES MINIMUM AND 0.570 INCHES MAXIMUM |
| CONCENTRIC HOLE DEPTH | 1.960 INCHES NOMINAL |
| COUNTERBORE DEPTH | 1.300 INCHES NOMINAL |
| COUNTERBORE DIAMETER | 0.8750 INCHES MINIMUM AND 0.8759 INCHES MAXIMUM |
| FASTENER LENGTH | 2.620 INCHES NOMINAL |
| HEAD DIAMETER | 1.900 INCHES NOMINAL |
| HEAD HEIGHT | 0.330 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 | 200000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.750 INCHES |
| SHANK UNTHREADED HOLE DIAMETER | 0.139 INCHES MINIMUM AND 0.145 INCHES MAXIMUM FIRST HOLE |
| SHOULDER DIAMETER | 1.2489 INCHES MINIMUM AND 1.2494 INCHES MAXIMUM |
| SHOULDER LENGTH | 1.140 INCHES NOMINAL |
| SPECIAL FEATURES | GROOVE ON 0.930-0.940 IN DIA X .120 WIDE LOCATED O RELIEF; HEX BETWEEN RELIEF AND THREADS 0.130 IN DIA.; SURFACE FINISH ON ALL SHOULDERS AND RELIEF 32.0 |
| THREAD QUANTITY PER INCH | 16 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |
| WIDTH BETWEEN FLATS | 1.680 INCHES NOMINAL |
| STYLE DESIGNATOR | COUNTERBORE UNTHREADED |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.600 INCHES NOMINAL |