| ATTACHMENT METHOD | MOUNTING HOLE |
| BODY STYLE | WEBBED, OFFSET, SOLID |
| BOLT HOLE CIRCLE NOMINAL DIAMETER | 2.312 INCHES AXIALLY THROUGH HUB, FIRST END |
| BORE STYLE | INVOLUTE SPLINE BOTH ENDS |
| BORE NOMINAL DIAMETER | 1.500 INCHES BOTH ENDS |
| FACE NOMINAL WIDTH | 0.500 INCHES |
| FIRST GROOVE NOMINAL DIAMETER | 1.879 INCHES FIRST END |
| FIRST GROOVE NOMINAL WIDTH | 0.073 INCHES FIRST END |
| HARDNESS RATING | 90.0 ROCKWELL SUPERFICIAL 15-N MINIMUM OVERALL |
| HUB NOMINAL DIAMETER | 1.960 INCHES FIRST END |
| HUB NOMINAL DIAMETER | 3.000 INCHES SECOND END |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-13048 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL OVERALL |
| MOUNTING HOLE NOMINAL DIAMETER | 0.281 INCHES AXIALLY THROUGH HUB, FIRST END |
| MOUNTING HOLE TYPE AND QUANTITY | 3 PLAIN TRANSVERSELY THROUGH FACE |
| NOMINAL DISTANCE FROM END TO FIRST GROOVE | 1.523 INCHES FIRST END |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 2.356 INCHES FIRST END |
| NOMINAL OUTSIDE DIAMETER | 12.207 INCHES |
| PITCH DIAMETER | 11.5000 INCHES NOMINAL |
| PRESSURE ANGLE | 20.0000 DEGREES |
| SPLINE PITCH DIAMETER | 1.4000 INCHES NOMINAL BOTH ENDS |
| SPLINE QUANTITY | 14 BOTH ENDS |
| STYLE DESIGNATOR | ONE PROTRUDING HUB, ONE FLUSH HUB |
| TEETH QUANTITY | 69 |
| TOOTH FORM | STANDARD |