| ATTACHMENT METHOD | MOUNTING HOLE |
| BODY STYLE | PLAIN, SOLID |
| BORE NOMINAL DIAMETER | 0.500 INCHES BOTH ENDS |
| BORE STYLE | PLAIN BOTH ENDS |
| FACE NOMINAL WIDTH | 0.750 INCHES |
| FIRST GROOVE NOMINAL DIAMETER | 0.688 INCHES FIRST END |
| FIRST GROOVE NOMINAL WIDTH | 0.125 INCHES FIRST END |
| HARDNESS RATING | 57.0 ROCKWELL C MINIMUM AND 60.0 ROCKWELL C MAXIMUM OVERALL |
| HUB NOMINAL DIAMETER | 0.750 INCHES FIRST END |
| HUB STYLE DESIGNATOR | 1 GROOVE FIRST END |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 440C OVERALL |
| MOUNTING HOLE THREAD SERIES DESIGNATOR | UNC TRANSVERSELY THROUGH HUB, FIRST END |
| MOUNTING HOLE TYPE AND QUANTITY | 2 PLAIN AND 1 THREADED TRANSVERSELY THROUGH HUB, FIRST END |
| MOUNTING HOLE NOMINAL DIAMETER | 0.157 INCHES TRANSVERSELY THROUGH HUB, FIRST END |
| MOUNTING HOLE NOMINAL THREAD SIZE | 0.138 INCHES TRANSVERSELY THROUGH HUB, FIRST END |
| NOMINAL DISTANCE FROM END TO FIRST GROOVE | 0.375 INCHES FIRST END |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.500 INCHES FIRST END |
| NOMINAL OUTSIDE DIAMETER | 0.812 INCHES |
| PITCH DIAMETER | 0.7500 INCHES NOMINAL |
| PRESSURE ANGLE | 20.0000 DEGREES |
| STYLE DESIGNATOR | PROTRUDING HUB |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| TEETH QUANTITY | 24 |