| ATTACHMENT METHOD | MOUNTING HOLE |
| BODY STYLE | WEBBED, SOLID |
| BOLT HOLE CIRCLE NOMINAL DIAMETER | 9.750 INCHES TRANSVERSELY THROUGH HUB, FIRST END |
| BORE STYLE | W/COUNTERBORE BOTH ENDS |
| BORE NOMINAL DIAMETER | 8.267 INCHES BOTH ENDS |
| COUNTERBORE NOMINAL DIAMETER | 8.970 INCHES FIRST END |
| COUNTERBORE NOMINAL DEPTH | 0.218 INCHES FIRST END |
| FACE NOMINAL WIDTH | 1.125 INCHES |
| HARDNESS RATING | 60.0 ROCKWELL C NOMINAL OVERALL |
| HUB NOMINAL DIAMETER | 10.732 INCHES FIRST END |
| HUB NOMINAL DIAMETER | 10.732 INCHES SECOND END |
| HUB STYLE DESIGNATOR | PLAIN BOTH ENDS |
| MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 8617 OVERALL |
| MOUNTING HOLE NOMINAL THREAD SIZE | 0.500 INCHES TRANSVERSELY THROUGH HUB, FIRST END |
| MOUNTING HOLE THREAD QUANTITY PER INCH | 20 AXIALLY THROUGH HUB, FIRST END |
| MOUNTING HOLE THREAD SERIES DESIGNATOR | UNF AXIALLY THROUGH HUB, FIRST END |
| MOUNTING HOLE TYPE AND QUANTITY | 9 THREADED AXIALLY THROUGH HUB, FIRST END |
| NOMINAL DISTANCE BETWEEN BODY FACE AND RECESSED HUB END | 0.125 INCHES SECOND END |
| NOMINAL OUTSIDE DIAMETER | 18.323 INCHES |
| PITCH DIAMETER | 18.0000 INCHES NOMINAL |
| PRESSURE ANGLE | 20.0000 DEGREES |
| STYLE DESIGNATOR | ONE FLUSH HUB, ONE RECESSED HUB |
| TEETH QUANTITY | 108 |
| TOOTH FORM | STANDARD |