| ATTACHMENT METHOD | MOUNTING HOLE |
| BODY STYLE | WEBBED, WITH LIGHTENING HOLES |
| BOLT HOLE CIRCLE NOMINAL DIAMETER | 3.188 INCHES AXIALLY THROUGH BODY FIRST END |
| BORE NOMINAL DIAMETER | 2.377 INCHES BOTH ENDS |
| BORE STYLE | W/ KEYWAY BOTH ENDS |
| FACE NOMINAL WIDTH | 1.750 INCHES |
| HUB NOMINAL DIAMETER | 3.9375 INCHES BOTH ENDS |
| HUB STYLE DESIGNATOR | PLAIN BOTH ENDS |
| KEYWAY NOMINAL WIDTH | 0.625 INCHES BOTH ENDS |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-B-16522 CLASS 1 BRONZE MANGANESE MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | COPPER ALLOY OVERALL |
| PITCH DIAMETER | 8.6000 INCHES NOMINAL |
| MOUNTING HOLE NOMINAL THREAD SIZE | 0.375 INCHES AXIALLY THROUGH BODY FIRST END |
| MOUNTING HOLE THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) AXIALLY THROUGH BODY FIRST END |
| MOUNTING HOLE TYPE AND QUANTITY | 2 THREADED AXIALLY THROUGH BODY FIRST END |
| NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM | 1.5005 INCHES BOTH ENDS |
| NOMINAL OUTSIDE DIAMETER | 9.000 INCHES |
| PRESSURE ANGLE | 20.0000 DEGREES |
| STYLE DESIGNATOR | FLUSH HUB |
| TEETH QUANTITY | 43 |
| TOOTH FORM | STANDARD |