| DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER | 0.600 INCHES NOMINAL FIRST HOLE |
| CONCENTRIC HOLE DEPTH | 1.450 INCHES MINIMUM AND 1.550 INCHES MAXIMUM |
| CONCENTRIC HOLE DIAMETER | 0.187 INCHES MINIMUM AND 0.197 INCHES MAXIMUM |
| EXTENDED WASHER DIAMETER | 0.750 INCHES NOMINAL |
| EXTENDED WASHER THICKNESS | 0.080 INCHES NOMINAL |
| FASTENER LENGTH | 1.880 INCHES NOMINAL |
| HEAD HEIGHT | 0.330 INCHES NOMINAL |
| HEAD STYLE | SQUARE EXTENDED WASHER |
| HOLE CONFIGURATION STYLE | HEXAGON CORNERS |
| HOLE DIAMETER | 0.070 INCHES NOMINAL |
| HOLE QUANTITY | 2 |
| HOLE TYPE | DRILLED |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-764 COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 303SE OVERALL |
| NOMINAL THREAD DIAMETER | 0.438 INCHES |
| SHANK UNTHREADED HOLE DIAMETER | 0.187 INCHES MINIMUM AND 0.197 INCHES MAXIMUM FIRST HOLE |
| WIDTH BETWEEN FLATS | 0.500 INCHES NOMINAL |
| STYLE DESIGNATOR | CONCENTRIC HOLE UNTHREADED |
| THREAD CLASS | 3A |
| THREAD DIRECTION | RIGHT-HAND |
| THREAD LENGTH | 0.630 INCHES NOMINAL |
| THREAD QUANTITY PER INCH | 20 |
| THREAD SERIES DESIGNATOR | UNF |