| ATTACHMENT METHOD | MOUNTING HOLE |
| BODY STYLE | PLAIN, SOLID |
| BORE STYLE | STRAIGHT SPLINE BOTH ENDS |
| BORE NOMINAL DIAMETER | 0.641 INCHES BOTH ENDS |
| FACE NOMINAL WIDTH | 0.750 INCHES |
| FIRST GROOVE NOMINAL DIAMETER | 1.1562 INCHES SECOND END |
| FIRST GROOVE NOMINAL WIDTH | 0.3281 INCHES SECOND END |
| HELIX ANGLE | 36.1999 DEGREES |
| HUB NOMINAL DIAMETER | 1.438 INCHES SECOND END |
| HUB STYLE DESIGNATOR | PLAIN FIRST END |
| HUB STYLE DESIGNATOR | 1 GROOVE SECOND END |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-681,CLASS 80-50 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL OVERALL |
| MOUNTING HOLE NOMINAL DIAMETER | 0.156 INCHES TRANSVERSELY THROUGH HUB, FIRST END |
| MOUNTING HOLE TYPE AND QUANTITY | 1 PLAIN TRANSVERSELY THROUGH HUB, FIRST END |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.469 INCHES SECOND END |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.594 INCHES FIRST END |
| NOMINAL DISTANCE FROM END TO FIRST GROOVE | 0.1406 INCHES SECOND END |
| NOMINAL OUTSIDE DIAMETER | 1.5625 INCHES |
| PITCH DIAMETER | 1.3630 INCHES NOMINAL |
| PRESSURE ANGLE | 20.0000 DEGREES |
| SPLINE QUANTITY | 4 BOTH ENDS |
| STYLE DESIGNATOR | PROTRUDING HUBS |
| TEETH QUANTITY | 11 |
| TEETH TYPE | SINGLE HELIX |
| TOOTH DIRECTION | LEFT |
| TOOTH FORM | STANDARD |