| ATTACHMENT METHOD | MOUNTING HOLE |
| BODY STYLE | PLAIN, SOLID |
| BOLT HOLE CIRCLE NOMINAL DIAMETER | 3.375 INCHES AXIALLY THROUGH BODY, FIRST END |
| BORE STYLE | W/ KEYWAY BOTH ENDS |
| BORE NOMINAL DIAMETER | 2.8010 INCHES BOTH ENDS |
| FACE NOMINAL WIDTH | 1.188 INCHES |
| HELIX ANGLE | 20.6165 DEGREES |
| HUB STYLE DESIGNATOR | PLAIN FIRST END |
| HUB NOMINAL DIAMETER | 3.875 INCHES 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 |
| 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 |
| PITCH DIAMETER | 4.6298 INCHES NOMINAL |
| PRESSURE ANGLE | 14.5000 DEGREES |
| 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 |
| STYLE DESIGNATOR | PROTRUDING HUB |
| TEETH QUANTITY | 39 |
| TEETH TYPE | SINGLE HELIX |
| TOOTH FORM | STANDARD |
| TOOTH DIRECTION | RIGHT |