| ATTACHMENT METHOD | MOUNTING HOLE | 
| BODY STYLE | PLAIN, SOLID | 
| BORE NOMINAL DIAMETER | 0.250 INCHES BOTH ENDS | 
| BORE STYLE | PLAIN BOTH ENDS | 
| END NOMINAL DIAMETER | 0.500 INCHES FIRST END | 
| END NOMINAL LENGTH | 0.188 INCHES FIRST END | 
| FACE NOMINAL WIDTH | 0.125 INCHES | 
| FIRST STEP NOMINAL DIAMETER | 0.875 INCHES FIRST END | 
| FIRST STEP NOMINAL LENGTH | 0.063 INCHES FIRST END | 
| FURNISHED ITEMS AND QUANTITY | 1 SETSCREW | 
| HUB STYLE DESIGNATOR | 1 STEP FIRST END | 
| MATERIAL | ALUMINUM ALLOY 2024 BODY | 
| PITCH DIAMETER | 2.3437 INCHES NOMINAL | 
| MATERIAL | STEEL CORROSION RESISTING HUB | 
| MOUNTING HOLE NOMINAL THREAD SIZE | 0.138 INCHES TRANSVERSELY THROUGH HUB FIRST END | 
| MOUNTING HOLE THREAD QUANTITY PER INCH | 32 TRANSVERSELY THROUGH HUB FIRST END | 
| MOUNTING HOLE THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) TRANSVERSELY THROUGH HUB FIRST END | 
| MOUNTING HOLE TYPE AND QUANTITY | 1 THREADED TRANSVERSELY THROUGH HUB FIRST END | 
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.250 INCHES FIRST END | 
| NOMINAL OUTSIDE DIAMETER | 2.3645 INCHES | 
| PRESSURE ANGLE | 20.0000 DEGREES | 
| SPECIAL FEATURES | GEAR READOUT TAPE REQUIRED | 
| STYLE DESIGNATOR | PROTRUDING HUB | 
| SURFACE TREATMENT | PASSIVATE HUB | 
| SURFACE TREATMENT | ANODIZE BODY | 
| TEETH QUANTITY | 225 | 
| TOOTH FORM | STANDARD |