| ATTACHMENT METHOD | MOUNTING HOLE | 
| BODY STYLE | PLAIN, SOLID | 
| BORE NOMINAL DIAMETER | 21.226 INCHES COUNTERBORE FIRST END | 
| BORE STYLE | W/COUNTERBORE COUNTERBORE FIRST END | 
| COUNTERBORE NOMINAL DIAMETER | 23.000 INCHES COUNTERBORE FIRST END | 
| COUNTERBORE NOMINAL DEPTH | 0.313 INCHES COUNTERBORE FIRST END | 
| FACE NOMINAL WIDTH | 1.250 INCHES | 
| HARDNESS RATING | 48.5 ROCKWELL C MINIMUM  AND 59.2 ROCKWELL C MAXIMUM OVERALL | 
| HELIX ANGLE | 15.4083 DEGREES | 
| MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE  AND AISI/SAE 1040 ASSN STD SINGLE MATERIAL RESPONSE OVERALL | 
| MATERIAL | STEEL COMP 1040 OVERALL | 
| PITCH DIAMETER | 24.0300 INCHES NOMINAL | 
| MOUNTING HOLE NOMINAL DIAMETER | 0.375 INCHES AXIALLY THROUGH BODY FIRST END | 
| MOUNTING HOLE TYPE AND QUANTITY | 10 PLAIN AXIALLY THROUGH BODY FIRST END | 
| NOMINAL OUTSIDE DIAMETER | 24.278 INCHES | 
| PRESSURE ANGLE | 20.0000 DEGREES | 
| STYLE DESIGNATOR | HUBLESS | 
| TEETH QUANTITY | 139 | 
| TEETH TYPE | SINGLE HELIX | 
| TOOTH FORM | STANDARD | 
| TOOTH DIRECTION | LEFT |