| ATTACHMENT METHOD | MOUNTING HOLE |
| BODY STYLE | PLAIN, SOLID |
| BOLT HOLE CIRCLE NOMINAL DIAMETER | 2.813 INCHES AXIALLY THROUGH BODY FIRST END |
| BORE NOMINAL DIAMETER | 2.248 INCHES BOTH ENDS |
| BORE STYLE | W/ KEYWAY BOTH ENDS |
| FACE NOMINAL WIDTH | 1.248 INCHES |
| HARDNESS RATING | 26.0 ROCKWELL C NOMINAL OVERALL |
| HELIX ANGLE | 33.1172 DEGREES |
| KEYWAY NOMINAL WIDTH | 0.251 INCHES BOTH ENDS |
| MATERIAL | STEEL COMP 3140 OR STEEL COMP 4140 OVERALL |
| PITCH DIAMETER | 3.5750 INCHES MINIMUM AND 3.5760 INCHES MAXIMUM |
| PRESSURE ANGLE | 14.5000 DEGREES |
| MOUNTING HOLE NOMINAL THREAD SIZE | 0.312 INCHES AXIALLY THROUGH BODY FIRST END |
| MOUNTING HOLE THREAD QUANTITY PER INCH | 18 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 | 0.251 INCHES BOTH ENDS |
| NOMINAL OUTSIDE DIAMETER | 3.7788 INCHES |
| STYLE DESIGNATOR | HUBLESS |
| TEETH QUANTITY | 30 |
| TEETH TYPE | SINGLE HELIX |
| TOOTH DIRECTION | LEFT |
| TOOTH FORM | STANDARD |
| SPECIAL FEATURES | TIMING MARK PUNCHED ON CENTER LINE OF TOOTH AND KEYWAY |