| MATERIAL | ALUMINUM ALLOY 2017 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-225/5,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| TEETH QUANTITY | 108 |
| TOOTH FORM | STANDARD |
| PRESSURE ANGLE | 14.5000 DEGREES |
| STYLE DESIGNATOR | HUBLESS |
| PITCH DIAMETER | 2.2460 INCHES MINIMUM AND |
| 2.2490 INCHES MAXIMUM |
| NOMINAL OUTSIDE DIAMETER | 2.260 INCHES |
| FACE NOMINAL WIDTH | 0.125 INCHES |
| BORE STYLE | W/COUNTERBORE COUNTERBORE, FIRST END |
| BORE NOMINAL DIAMETER | 1.375 INCHES COUNTERBORE, FIRST END |
| COUNTERBORE NOMINAL DEPTH | 0.062 INCHES COUNTERBORE, FIRST END |
| COUNTERBORE NOMINAL DIAMETER | 2.001 INCHES COUNTERBORE, FIRST END |
| BODY STYLE | PLAIN, SOLID |
| ATTACHMENT METHOD | MOUNTING HOLE |
| MOUNTING HOLE TYPE AND QUANTITY | 4 PLAIN TRANSVERSELY THROUGH HUB, FIRST END |
| MOUNTING HOLE NOMINAL DIAMETER | 0.141 INCHES AXIALLY THROUGH BODY, FIRST END |
| BOLT HOLE CIRCLE NOMINAL DIAMETER | 1.781 INCHES AXIALLY THROUGH BODY, FIRST END |