| MATERIAL | STEEL COMP 8620 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| HARDNESS RATING | 59.0 ROCKWELL C MINIMUM AND |
| 62.0 ROCKWELL C MAXIMUM OVERALL |
| TEETH QUANTITY | 10 |
| TEETH TYPE | SPUR |
| TOOTH FORM | SPECIAL |
| PRESSURE ANGLE | 25.0000 DEGREES |
| STYLE DESIGNATOR | SOLID BACK RING, PROTRUDING HUB, RECESSED HUB |
| PITCH DIAMETER | 1.6666 INCHES NOMINAL |
| NOMINAL OVERALL LENGTH | 1.7500 INCHES |
| NOMINAL OUTSIDE DIAMETER | 2.4030 INCHES |
| FACE NOMINAL WIDTH | 0.4750 INCHES |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 1.0090 INCHES FIRST END |
| BORE STYLE | STRAIGHT SPLINE BOTH ENDS |
| BORE NOMINAL DIAMETER | 1.4155 INCHES BOTH ENDS |
| SPLINE QUANTITY | 10 BOTH ENDS |
| HUB STYLE DESIGNATOR | 2 STEPS FIRST END |
| END NOMINAL LENGTH | 0.4370 INCHES FIRST END |
| END NOMINAL DIAMETER | 1.0630 INCHES FIRST END |
| FIRST STEP NOMINAL LENGTH | 0.1870 INCHES FIRST END |
| FIRST STEP NOMINAL DIAMETER | 2.0680 INCHES FIRST END |
| SECOND STEP NOMINAL LENGTH | 0.3850 INCHES FIRST END |
| SECOND STEP NOMINAL DIAMETER | 1.6180 INCHES FIRST END |
| BODY STYLE | PLAIN, SOLID |