| ATTACHMENT METHOD | MOUNTING HOLE |
| BODY STYLE | PLAIN, SOLID |
| BORE NOMINAL DIAMETER | 1.125 INCHES BOTH ENDS |
| BORE STYLE | PLAIN BOTH ENDS |
| FACE NOMINAL WIDTH | 0.187 INCHES |
| HUB NOMINAL DIAMETER | 1.625 INCHES FIRST END |
| HUB STYLE DESIGNATOR | PLAIN FIRST END |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-M-80 CLASS B CANCELED FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | COPPER ALLOY 670 OVERALL |
| PITCH DIAMETER | 2.7500 INCHES NOMINAL |
| MOUNTING HOLE NOMINAL THREAD SIZE | 0.164 INCHES TRANSVERSELY THROUGH HUB FIRST END |
| MOUNTING HOLE THREAD QUANTITY PER INCH | 32 TRANSVERSELY THROUGH HUB FIRST END |
| MOUNTING HOLE THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) TRANSVERSELY THROUGH HUB FIRST END |
| MOUNTING HOLE TYPE AND QUANTITY | 2 THREADED TRANSVERSELY THROUGH HUB FIRST END |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.313 INCHES FIRST END |
| NOMINAL OVERALL LENGTH | 0.500 INCHES |
| NOMINAL OUTSIDE DIAMETER | 2.811 INCHES |
| PRECISION CLASSIFICATION | QUALITY NUMBER 10 OR QUALITY NUMBER 11 |
| PRESSURE ANGLE | 20.0000 DEGREES |
| STYLE DESIGNATOR | PROTRUDING HUB |
| TEETH QUANTITY | 88 |
| TOOTH FORM | STANDARD |