| ATTACHMENT METHOD | MOUNTING HOLE | 
| BODY STYLE | PLAIN, SOLID | 
| BORE NOMINAL DIAMETER | 2.250 INCHES BOTH ENDS | 
| BORE STYLE | W/COUNTERBORE BOTH ENDS | 
| COUNTERBORE NOMINAL DIAMETER | 2.443 INCHES FIRST END | 
| COUNTERBORE NOMINAL DEPTH | 0.766 INCHES FIRST END | 
| FACE NOMINAL WIDTH | 0.127 INCHES | 
| FIRST GROOVE NOMINAL DIAMETER | 2.672 INCHES FIRST END | 
| FIRST GROOVE NOMINAL WIDTH | 0.282 INCHES FIRST END | 
| HUB NOMINAL DIAMETER | 2.565 INCHES SECOND END | 
| HUB NOMINAL DIAMETER | 2.687 INCHES FIRST END | 
| HUB STYLE DESIGNATOR | 1 GROOVE FIRST END | 
| HUB STYLE DESIGNATOR | PLAIN SECOND END | 
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-250/11,T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | 
| MATERIAL | ALUMINUM ALLOY 6061 OVERALL | 
| PITCH DIAMETER | 3.3750 INCHES NOMINAL | 
| MOUNTING HOLE NOMINAL THREAD SIZE | 0.060 INCHES AXIALLY THROUGH HUB FIRST END | 
| MOUNTING HOLE THREAD SERIES DESIGNATOR | UNF AXIALLY THROUGH HUB FIRST END | 
| MOUNTING HOLE TYPE AND QUANTITY | 4 THREADED AXIALLY THROUGH HUB FIRST END | 
| NOMINAL DISTANCE FROM END TO FIRST GROOVE | 0.125 INCHES FIRST END | 
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.169 INCHES SECOND END | 
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.532 INCHES FIRST END | 
| NOMINAL OUTSIDE DIAMETER | 3.400 INCHES | 
| PRESSURE ANGLE | 20.0000 DEGREES | 
| STYLE DESIGNATOR | PROTRUDING HUBS | 
| SURFACE TREATMENT | ANODIZE OVERALL | 
| TEETH QUANTITY | 270 | 
| TOOTH FORM | STANDARD |