| ATTACHMENT METHOD | MOUNTING HOLE |
| BOLT HOLE CIRCLE NOMINAL DIAMETER | 6.750 INCHES AND 6.625 INCHES AXIALLY THROUGH BODY, FIRST END |
| BORE NOMINAL DIAMETER | 4.125 INCHES BOTH ENDS |
| BORE STYLE | W/COUNTERBORE BOTH ENDS |
| COUNTERBORE NOMINAL DIAMETER | 5.625 INCHES FIRST END |
| COUNTERBORE NOMINAL DEPTH | 0.500 INCHES FIRST END |
| FACE NOMINAL WIDTH | 1.125 INCHES |
| HARDNESS RATING | 89.0 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 91.5 ROCKWELL SUPERFICIAL 15-N MAXIMUM TEETH |
| HUB STYLE DESIGNATOR | PLAIN FIRST END |
| HUB NOMINAL DIAMETER | 6.188 INCHES FIRST END |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS6260 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP E9310 OVERALL |
| MOUNTING HOLE NOMINAL DIAMETER | 0.281 INCHES AND 0.312 INCHES AXIALLY THROUGH BODY, FIRST END |
| MOUNTING HOLE TYPE AND QUANTITY | 9 PLAIN AND 2 COUNTERSUNK AXIALLY THROUGH BODY, FIRST END |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 6.188 INCHES FIRST END |
| NOMINAL OUTSIDE RADIUS | 6.737 INCHES |
| PITCH RADIUS | 6.6667 INCHES NOMINAL |
| PRESSURE ANGLE | 20.0000 DEGREES |
| TEETH QUANTITY | 160 |