| ATTACHMENT METHOD | MOUNTING HOLE | 
| BODY STYLE | PLAIN, SOLID | 
| BOLT HOLE CIRCLE NOMINAL DIAMETER | 3.375 INCHES AXIALLY THROUGH BODY FIRST END | 
| BORE NOMINAL DIAMETER | 2.8010 INCHES BOTH ENDS | 
| BORE STYLE | W/ KEYWAY BOTH ENDS | 
| FACE NOMINAL WIDTH | 1.188 INCHES | 
| HELIX ANGLE | 20.6165 DEGREES | 
| HUB NOMINAL DIAMETER | 3.875 INCHES FIRST END | 
| HUB STYLE DESIGNATOR | PLAIN FIRST END | 
| KEYWAY NOMINAL WIDTH | 0.3750 INCHES BOTH ENDS | 
| MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE  AND AISI/SAF 1141 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | 
| MATERIAL | STEEL COMP 1141 OVERALL | 
| PITCH DIAMETER | 4.6298 INCHES NOMINAL | 
| MOUNTING HOLE NOMINAL THREAD SIZE | 0.2500 INCHES AXIALLY THROUGH BODY FIRST END | 
| MOUNTING HOLE THREAD QUANTITY PER INCH | 28 AXIALLY THROUGH BODY FIRST END | 
| MOUNTING HOLE THREAD SERIES DESIGNATOR | UNF AXIALLY THROUGH BODY FIRST END | 
| MOUNTING HOLE TYPE AND QUANTITY | 4 THREADED AXIALLY THROUGH BODY FIRST END | 
| NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM | 1.5850 INCHES BOTH ENDS | 
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.813 INCHES FIRST END | 
| NOMINAL OUTSIDE DIAMETER | 4.8510 INCHES | 
| PRESSURE ANGLE | 14.5000 DEGREES | 
| STYLE DESIGNATOR | PROTRUDING HUB | 
| TEETH QUANTITY | 39 | 
| TEETH TYPE | SINGLE HELIX | 
| SPECIAL FEATURES | TWO PULLER HOLES 1/2-20 UNF 2B THD ON A 3 1/2 IN. DIA BOLT CIRCLE; 1ST END COUNTERBORED 3.3125 IN. DIA BY 0.0625 IN. DP | 
| TOOTH DIRECTION | RIGHT | 
| TOOTH FORM | STANDARD |