| ATTACHMENT METHOD | MOUNTING HOLE |
| BODY STYLE | PLAIN, SOLID |
| BOLT HOLE CIRCLE NOMINAL DIAMETER | 3.240 INCHES AXIALLY THROUGH BODY FIRST END |
| BORE NOMINAL DIAMETER | 2.437 INCHES BOTH ENDS |
| BORE STYLE | W/ KEYWAY BOTH ENDS |
| FACE NOMINAL WIDTH | 1.560 INCHES |
| HARDNESS RATING | 28.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL |
| HELIX ANGLE | 24.0666 DEGREES |
| KEYWAY NOMINAL WIDTH | 0.252 INCHES BOTH ENDS |
| MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 1040 AND STEEL COMP 1045 OVERALL |
| PITCH DIAMETER | 4.2713 INCHES NOMINAL |
| MOUNTING HOLE NOMINAL THREAD SIZE | 0.438 INCHES AXIALLY THROUGH BODY FIRST END |
| MOUNTING HOLE THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) 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 | 1.346 INCHES BOTH ENDS |
| NOMINAL OUTSIDE DIAMETER | 4.469 INCHES |
| PRESSURE ANGLE | 14.5000 DEGREES |
| STYLE DESIGNATOR | HUBLESS |
| TEETH QUANTITY | 39 |
| TEETH TYPE | SINGLE HELIX |
| TOOTH FORM | STANDARD |
| TOOTH DIRECTION | LEFT |