| ATTACHMENT METHOD | MOUNTING HOLE |
| BODY STYLE | WEBBED, WITH LIGHTENING HOLES |
| BOLT HOLE CIRCLE NOMINAL DIAMETER | 2.955 INCHES AXIALLY THROUGH BODY, FIRST END |
| BORE STYLE | INVOLUTE SPLINE BOTH ENDS |
| BORE NOMINAL DIAMETER | 1.2900 INCHES BOTH ENDS |
| FACE NOMINAL WIDTH | 0.312 INCHES |
| HARDNESS RATING | 58.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 6260 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP E9310 OVERALL |
| MOUNTING HOLE NOMINAL DIAMETER | 0.875 INCHES AXIALLY THROUGH BODY, FIRST END |
| MOUNTING HOLE TYPE AND QUANTITY | 6 PLAIN AXIALLY THROUGH BODY, FIRST END |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.800 INCHES SECOND END |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.873 INCHES FIRST END |
| NOMINAL OUTSIDE DIAMETER | 4.750 INCHES |
| PITCH DIAMETER | 4.5833 INCHES NOMINAL |
| PRESSURE ANGLE | 20.0000 DEGREES |
| SPLINE PITCH DIAMETER | 1.2000 INCHES NOMINAL BOTH ENDS |
| SPLINE QUANTITY | 24 BOTH ENDS |
| STYLE DESIGNATOR | PROTRUDING HUBS |
| TEETH QUANTITY | 55 |
| TOOTH FORM | STANDARD |