| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 2.894 INCHES NOMINAL FIRST HOLE |
| FASTENER LENGTH | 2.990 INCHES MINIMUM AND 3.010 INCHES MAXIMUM |
| HEAD HEIGHT | 0.350 INCHES NOMINAL |
| HEAD STYLE | DOUBLE HEXAGON |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP XM-13 OVERALL |
| NOMINAL THREAD DIAMETER | 0.500 INCHES |
| SHANK UNTHREADED HOLE DIAMETER | 0.216 INCHES NOMINAL FIRST HOLE |
| SHOULDER DIAMETER | 0.623 INCHES MINIMUM AND 0.624 INCHES MAXIMUM FIRST SHOULDER |
| SHOULDER LENGTH | 2.219 INCHES MINIMUM AND 2.239 INCHES MAXIMUM FIRST SHOULDER |
| SHOULDER SHAPE | ROUND FIRST SHOULDER |
| WIDTH BETWEEN FLATS | 0.928 INCHES MINIMUM AND 0.940 INCHES MAXIMUM |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.751 INCHES MINIMUM AND 0.791 INCHES MAXIMUM |
| THREAD QUANTITY PER INCH | 20 |
| THREAD SERIES DESIGNATOR | UNIFIED NATIONAL JOINT FINE (UNJF) |