| ATTACHMENT METHOD | MOUNTING HOLE | 
| BODY STYLE | PLAIN, SOLID | 
| BORE NOMINAL DIAMETER | 0.609 INCHES FIRST END | 
| BORE NOMINAL DIAMETER | 1.000 INCHES SECOND END | 
| BORE STYLE | INVOLUTE SPLINE SECOND END | 
| BORE STYLE | W/STEPPED COUNTERBORE FIRST END | 
| COUNTERBORE NOMINAL DIAMETER | 0.625 INCHES SECOND COUNTERBORE FIRST END | 
| COUNTERBORE NOMINAL DIAMETER | 1.000 INCHES FIRST COUNTERBORE FIRST END | 
| COUNTERBORE NOMINAL DEPTH | 0.780 INCHES FIRST COUNTERBORE FIRST END | 
| COUNTERBORE NOMINAL DEPTH | 0.880 INCHES SECOND COUNTERBORE FIRST END | 
| FACE NOMINAL WIDTH | 0.500 INCHES | 
| HARDNESS RATING | 58.0 ROCKWELL C MINIMUM  AND 62.0 ROCKWELL C MAXIMUM BODY | 
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-13048 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL | 
| PITCH DIAMETER | 3.3333 INCHES NOMINAL | 
| PITCH ANGLE | 53.7433 DEGREES | 
| MATERIAL | STEEL OVERALL | 
| MOUNTING HOLE NOMINAL DIAMETER | 0.187 INCHES AXIALLY THROUGH HUB FIRST END | 
| MOUNTING HOLE TYPE AND QUANTITY | 4 PLAIN AXIALLY THROUGH HUB FIRST END | 
| NOMINAL OVERALL LENGTH | 4.158 INCHES | 
| NOMINAL OUTSIDE DIAMETER | 3.4358 INCHES | 
| PRESSURE ANGLE | 17.5000 DEGREES | 
| SPLINE PITCH DIAMETER | 0.8750 INCHES NOMINAL SECOND END | 
| SPLINE QUANTITY | 21 SECOND END | 
| STYLE DESIGNATOR | PERIPHERAL FACE, BACK HUB PROTRUDING | 
| TEETH QUANTITY | 30 | 
| TEETH TYPE | STRAIGHT |