| ATTACHMENT METHOD | MOUNTING HOLE |
| BODY STYLE | WEBBED, OFFSET, SOLID |
| BOLT HOLE CIRCLE NOMINAL DIAMETER | 7.250 INCHES AXIALLY THROUGH BODY FIRST END |
| BORE NOMINAL DIAMETER | 6.0000 INCHES BOTH ENDS |
| BORE STYLE | PLAIN BOTH ENDS |
| COUNTERBORE NOMINAL DEPTH | 0.812 INCHES FIRST END |
| COUNTERBORE NOMINAL DIAMETER | 8.500 INCHES FIRST END |
| FACE NOMINAL WIDTH | 2.750 INCHES |
| HARDNESS RATING | 89.0 ROCKWELL C MINIMUM AND 96.0 ROCKWELL C MAXIMUM OVERALL |
| HELIX ANGLE | 45.0000 DEGREES |
| HUB NOMINAL DIAMETER | 8.500 INCHES SECOND END |
| HUB NOMINAL DIAMETER | 9.625 INCHES FIRST END |
| HUB STYLE DESIGNATOR | PLAIN BOTH ENDS |
| MATERIAL | STEEL OVERALL |
| PITCH DIAMETER | 18.1491 INCHES NOMINAL |
| PRESSURE ANGLE | 14.5000 DEGREES |
| MOUNTING HOLE TYPE AND QUANTITY | 6 PLAIN AXIALLY THROUGH BODY FIRST END |
| MOUNTING HOLE NOMINAL DIAMETER | 0.531 INCHES AXIALLY THROUGH BODY FIRST END |
| NOMINAL DISTANCE BETWEEN BODY FACE AND RECESSED HUB END | 0.125 INCHES FIRST END |
| NOMINAL DISTANCE BETWEEN BODY FACE AND RECESSED HUB END | 1.000 INCHES SECOND END |
| NOMINAL OVERALL LENGTH | 2.750 INCHES |
| NOMINAL OUTSIDE DIAMETER | 18.480 INCHES |
| STYLE DESIGNATOR | RECESSED HUBS |
| TEETH QUANTITY | 77 |
| TEETH TYPE | SINGLE HELIX |
| TOOTH DIRECTION | LEFT |
| TOOTH FORM | STANDARD |
| SPECIAL FEATURES | TWO HOLES 1/2 IN.-20 THD SIZE,THREE HOLES 0.623 TO 624 IN. LOCATED ON 7-1/2 IN. BOLT CIRCLE LOCATED ON FIRST END |