| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 2.420 INCHES NOMINAL FIRST HOLE |
| FASTENER LENGTH | 2.580 INCHES NOMINAL |
| HEAD HEIGHT | 0.190 INCHES NOMINAL |
| HEAD STYLE | HEXAGON |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-6049 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 8740 OVERALL |
| PROPRIETARY CHARACTERISTICS | PACS |
| MINIMUM TENSILE STRENGTH | 190000 POUNDS PER SQUARE INCH |
| NOMINAL THREAD DIAMETER | 0.500 INCHES |
| SHANK UNTHREADED HOLE DIAMETER | 0.075 INCHES MINIMUM FIRST HOLE AND 0.080 INCHES MAXIMUM FIRST HOLE |
| SHOULDER DIAMETER | 0.6231 INCHES MINIMUM FIRST SHOULDER AND 0.6240 INCHES MAXIMUM FIRST SHOULDER |
| SHOULDER LENGTH | 2.150 INCHES NOMINAL FIRST SHOULDER |
| SHOULDER SHAPE | ROUND FIRST SHOULDER |
| WIDTH BETWEEN FLATS | 0.869 INCHES MINIMUM AND 0.875 INCHES MAXIMUM |
| SURFACE TREATMENT | CHROMIUM GRIP |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.430 INCHES MINIMUM |
| THREAD QUANTITY PER INCH | 20 |
| THREAD SERIES DESIGNATOR | UNF |