| ATTACHMENT METHOD | MOUNTING HOLE |
| BODY STYLE | WEBBED, WITH LIGHTENING HOLES |
| BOLT HOLE CIRCLE NOMINAL DIAMETER | 3.250 INCHES AXIALLY THROUGH BODY, FIRST END |
| BORE STYLE | W/ KEYWAY BOTH ENDS |
| BORE NOMINAL DIAMETER | 1.377 INCHES BOTH ENDS |
| FACE NOMINAL WIDTH | 0.750 INCHES |
| HARDNESS RATING | 77.0 ROCKWELL SUPERFICIAL 30-N MINIMUM AND 81.0 ROCKWELL SUPERFICIAL 30-N MAXIMUM OVERALL |
| HELIX ANGLE | 17.7526 DEGREES |
| HUB NOMINAL DIAMETER | 2.000 INCHES BOTH ENDS |
| HUB STYLE DESIGNATOR | PLAIN BOTH ENDS |
| KEYWAY NOMINAL WIDTH | 0.252 INCHES BOTH ENDS |
| MATERIAL | STEEL OVERALL |
| MOUNTING HOLE NOMINAL THREAD SIZE | 0.375 INCHES AXIALLY THROUGH BODY, FIRST END |
| MOUNTING HOLE THREAD SERIES DESIGNATOR | UNF AXIALLY THROUGH BODY, FIRST END |
| MOUNTING HOLE TYPE AND QUANTITY | 2 THREADED AXIALLY THROUGH BODY, FIRST END |
| NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM | 0.808 INCHES BOTH ENDS |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.297 INCHES FIRST END |
| NOMINAL OUTSIDE DIAMETER | 8.6000 INCHES |
| PITCH DIAMETER | 8.4000 INCHES NOMINAL |
| PRESSURE ANGLE | 20.0000 DEGREES |
| SPECIAL FEATURES | COUNTERBORE 2ND END 1.500 IN. LG BY 0.063 IN. DEEP |
| STYLE DESIGNATOR | ONE PROTRUDING HUB, ONE FLUSH HUB |
| TEETH QUANTITY | 80 |
| TEETH TYPE | SINGLE HELIX |
| TOOTH FORM | STANDARD |
| TOOTH DIRECTION | RIGHT |