| ATTACHMENT METHOD | MOUNTING HOLE | 
| BODY STYLE | PLAIN, SOLID | 
| BORE NOMINAL DIAMETER | 0.531 INCHES COUNTERBORE FIRST END | 
| BORE STYLE | W/COUNTERBORE COUNTERBORE FIRST END | 
| COUNTERBORE NOMINAL DIAMETER | 0.926 INCHES COUNTERBORE FIRST END | 
| COUNTERBORE NOMINAL DEPTH | 0.125 INCHES COUNTERBORE FIRST END | 
| FACE NOMINAL WIDTH | 0.250 INCHES | 
| HARDNESS RATING | 200.0 BRINELL STANDARD MINIMUM  AND 300.0 BRINELL STANDARD MAXIMUM OVERALL | 
| HUB NOMINAL DIAMETER | 0.7485 INCHES FIRST END | 
| HUB STYLE DESIGNATOR | PLAIN FIRST END | 
| MATERIAL DOCUMENT AND CLASSIFICATION | FED STD 66 FED STD SINGLE MATERIAL RESPONSE OVERALL | 
| PITCH DIAMETER | 1.1250 INCHES NOMINAL | 
| MATERIAL | STEEL COMP 8640 OVERALL | 
| MOUNTING HOLE NOMINAL THREAD SIZE | 0.138 INCHES AXIALLY THROUGH HUB FIRST END | 
| MOUNTING HOLE THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) AXIALLY THROUGH HUB FIRST END | 
| MOUNTING HOLE TYPE AND QUANTITY | 2 THREADED AXIALLY THROUGH HUB FIRST END | 
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.302 INCHES FIRST END | 
| NOMINAL OUTSIDE DIAMETER | 0.562 INCHES | 
| PRESSURE ANGLE | 20.0000 DEGREES | 
| STYLE DESIGNATOR | PROTRUDING HUB | 
| SURFACE TREATMENT | PHOSPHATE OVERALL | 
| TEETH QUANTITY | 36 | 
| TOOTH FORM | STANDARD |