| ATTACHMENT METHOD | MOUNTING HOLE | 
| BODY RECESS NOMINAL DEPTH | 0.073 INCHES SECOND END | 
| BODY STYLE | PLAIN, WITH LIGHTENING HOLES | 
| BOLT HOLE CIRCLE NOMINAL DIAMETER | 0.688 INCHES AXIALLY THROUGH BODY FIRST END | 
| BORE NOMINAL DIAMETER | 0.328 INCHES BOTH ENDS | 
| BORE STYLE | W/COUNTERBORE BOTH ENDS | 
| COUNTERBORE NOMINAL DIAMETER | 3.000 INCHES SECOND END | 
| COUNTERBORE NOMINAL DEPTH | 0.073 INCHES SECOND END | 
| FACE NOMINAL WIDTH | 0.140 INCHES | 
| HUB NOMINAL DIAMETER | 0.406 INCHES FIRST END | 
| HUB STYLE DESIGNATOR | PLAIN FIRST END | 
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-764,TYPE 303,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL | 
| MATERIAL | STEEL COMP 303 OVERALL | 
| PITCH DIAMETER | 3.2813 INCHES NOMINAL | 
| MOUNTING HOLE NOMINAL DIAMETER | 0.098 INCHES AXIALLY THROUGH BODY FIRST END | 
| MOUNTING HOLE TYPE AND QUANTITY | 2 PLAIN AXIALLY THROUGH BODY FIRST END | 
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.046 INCHES FIRST END | 
| NOMINAL OVERALL LENGTH | 0.187 INCHES | 
| NOMINAL OUTSIDE DIAMETER | 3.311 INCHES | 
| PRECISION CLASSIFICATION | QUALITY NUMBER 9 | 
| PRESSURE ANGLE | 20.0000 DEGREES | 
| STYLE DESIGNATOR | PROTRUDING HUB, RECESSED BODY | 
| TEETH QUANTITY | 210 | 
| TOOTH FORM | STANDARD |