| ATTACHMENT METHOD | MOUNTING HOLE |
| BODY STYLE | PLAIN, SOLID |
| BOLT HOLE CIRCLE NOMINAL DIAMETER | 6.125 INCHES AXIALLY THROUGH HUB, FIRST END |
| BORE NOMINAL DIAMETER | 4.1840 INCHES BOTH ENDS |
| BORE STYLE | PLAIN BOTH ENDS |
| COUNTERBORE NOMINAL DIAMETER | 4.9209 INCHES BOTH ENDS |
| COUNTERBORE NOMINAL DEPTH | 0.7800 INCHES BOTH ENDS |
| FACE NOMINAL WIDTH | 1.100 INCHES |
| HARDNESS RATING | 40.0 ROCKWELL C MINIMUM OVERALL |
| HUB STYLE DESIGNATOR | PLAIN BOTH ENDS |
| HUB NOMINAL DIAMETER | 6.8550 INCHES BOTH ENDS |
| MATERIAL DOCUMENT AND CLASSIFICATION | FED STD 66,AISI/SAE 5140 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 5140 OVERALL |
| MOUNTING HOLE THREAD SERIES DESIGNATOR | UNF AXIALLY THROUGH HUB, FIRST END |
| MOUNTING HOLE TYPE AND QUANTITY | 12 THREADED AXIALLY THROUGH HUB, FIRST END |
| MOUNTING HOLE NOMINAL THREAD SIZE | 0.3750 INCHES AXIALLY THROUGH HUB, FIRST END |
| MOUNTING HOLE THREAD QUANTITY PER INCH | 24 AXIALLY THROUGH HUB, FIRST END |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.8600 INCHES FIRST END |
| NOMINAL OUTSIDE DIAMETER | 8.0070 INCHES |
| PITCH DIAMETER | 7.6667 INCHES NOMINAL |
| PRESSURE ANGLE | 25.0000 DEGREES |
| STYLE DESIGNATOR | PROTRUDING HUB |
| TEETH QUANTITY | 46 |
| TOOTH FORM | STANDARD |