| ATTACHMENT METHOD | MOUNTING HOLE |
| BODY STYLE | PLAIN, WITH LIGHTENING HOLES |
| BORE NOMINAL DIAMETER | 0.2502 INCHES BOTH ENDS |
| BORE STYLE | PLAIN BOTH ENDS |
| END NOMINAL DIAMETER | 0.290 INCHES FIRST END |
| END NOMINAL LENGTH | 0.800 INCHES FIRST END |
| FACE NOMINAL WIDTH | 0.060 INCHES |
| FIRST STEP NOMINAL DIAMETER | 0.500 INCHES FIRST END |
| FIRST STEP NOMINAL LENGTH | 0.140 INCHES FIRST END |
| HUB STYLE DESIGNATOR | 1 STEP FIRST END |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-764,TYPE 303,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL OVERALL |
| MOUNTING HOLE THREAD SERIES DESIGNATOR | UNC TRANSVERSELY THROUGH HUB, FIRST END |
| MOUNTING HOLE TYPE AND QUANTITY | 2 THREADED TRANSVERSELY THROUGH HUB, FIRST END |
| MOUNTING HOLE NOMINAL THREAD SIZE | 0.086 INCHES TRANSVERSELY THROUGH HUB, FIRST END |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.220 INCHES FIRST END |
| NOMINAL OUTSIDE DIAMETER | 0.7241 INCHES |
| PITCH DIAMETER | 0.7073 INCHES MINIMUM AND 0.7083 INCHES MAXIMUM |
| PRESSURE ANGLE | 20.0000 DEGREES |
| STYLE DESIGNATOR | PROTRUDING HUB |
| TEETH QUANTITY | 85 |