| MATERIAL | STEEL COMP 3310H OR |
| STEEL COMP 4320H OR |
| STEEL COMP 4621H OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-13048 MIL SPEC ALL MATERIAL RESPONSES OVERALL |
| HARDNESS RATING | 58.0 ROCKWELL C MINIMUM AND |
| 62.0 ROCKWELL C MAXIMUM TEETH |
| TEETH QUANTITY | 56 |
| TOOTH FORM | STANDARD |
| PRESSURE ANGLE | 25.0000 DEGREES |
| STYLE DESIGNATOR | PROTRUDING HUBS |
| PITCH DIAMETER | 11.2000 INCHES NOMINAL |
| NOMINAL OUTSIDE DIAMETER | 11.487 INCHES |
| FACE NOMINAL WIDTH | 1.625 INCHES |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 1.906 INCHES FIRST END |
| 1.438 INCHES SECOND END |
| BORE STYLE | W/STEPPED COUNTERBORE FIRST END |
| INVOLUTE SPLINE SECOND END |
| BORE NOMINAL DIAMETER | 2.634 INCHES BOTH ENDS |
| SPLINE QUANTITY | 20 SECOND END |
| SPLINE PITCH DIAMETER | 2.5000 INCHES NOMINAL SECOND END |
| COUNTERBORE NOMINAL DEPTH | 0.280 INCHES FIRST COUNTERBORE, FIRST END |
| 2.752 INCHES SECOND COUNTERBORE, FIRST END |
| COUNTERBORE NOMINAL DIAMETER | 3.104 INCHES FIRST COUNTERBORE, FIRST END |
| 2.755 INCHES SECOND COUNTERBORE, FIRST END |
| HUB STYLE DESIGNATOR | PLAIN BOTH ENDS |
| HUB NOMINAL DIAMETER | 3.500 INCHES BOTH ENDS |
| BODY STYLE | WEBBED, WITH LIGHTENING HOLES |
| SPECIAL FEATURES | TAPERED HUB SECOND END 18 DEGREES |