| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 3.668 INCHES MINIMUM AND 3.688 INCHES MAXIMUM FIRST HOLE |
| FASTENER LENGTH | 3.830 INCHES MINIMUM AND 3.850 INCHES MAXIMUM |
| HARDNESS RATING | 30.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL |
| HEAD HEIGHT | 0.396 INCHES MINIMUM AND 0.416 INCHES MAXIMUM |
| HEAD STYLE | HEXAGON |
| HOLE DIAMETER | 0.070 INCHES NOMINAL |
| HOLE CONFIGURATION STYLE | HEXAGON FLATS |
| HOLE TYPE | DRILLED |
| HOLE QUANTITY | 1 |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5613 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 410 OVERALL |
| NOMINAL THREAD DIAMETER | 0.625 INCHES |
| SHOULDER DIAMETER | 0.7465 INCHES MINIMUM AND 0.7485 INCHES MAXIMUM FIRST SHOULDER |
| SHOULDER LENGTH | 3.080 INCHES MINIMUM AND 3.090 INCHES MAXIMUM FIRST SHOULDER |
| SHOULDER SHAPE | ROUND FIRST SHOULDER |
| SPECIAL FEATURES | 2 COTTER PIN HOLES EQUALLY SPACED 90 DEG ON AXIS OF THD |
| SHANK UNTHREADED HOLE DIAMETER | 0.089 INCHES MINIMUM AND 0.099 INCHES MAXIMUM FIRST HOLE |
| WIDTH BETWEEN FLATS | 1.052 INCHES MINIMUM AND 1.064 INCHES MAXIMUM |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.661 INCHES MAXIMUM |
| THREAD SERIES DESIGNATOR | UNF |
| THREAD QUANTITY PER INCH | 5/8-18 |