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