| ATTACHMENT METHOD | MOUNTING HOLE | 
| BODY STYLE | PLAIN, SOLID | 
| BORE NOMINAL DIAMETER | 0.252 INCHES BOTH ENDS | 
| BORE STYLE | PLAIN BOTH ENDS | 
| END NOMINAL DIAMETER | 0.625 INCHES FIRST END | 
| END NOMINAL LENGTH | 0.250 INCHES FIRST END | 
| FACE NOMINAL WIDTH | 0.188 INCHES | 
| FIRST STEP NOMINAL DIAMETER | 1.000 INCHES FIRST END | 
| FIRST STEP NOMINAL LENGTH | 0.063 INCHES FIRST END | 
| HELIX ANGLE | 14.1500 DEGREES | 
| HUB STYLE DESIGNATOR | 1 STEP FIRST END | 
| MATERIAL | COPPER ALLOY HUB | 
| MATERIAL | PLASTIC TEETH | 
| PITCH DIAMETER | 1.4990 INCHES MINIMUM AND 1.5010 INCHES MAXIMUM | 
| 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 | 0.313 INCHES FIRST END | 
| NOMINAL OUTSIDE DIAMETER | 1.560 INCHES | 
| NOMINAL OVERALL LENGTH | 0.500 INCHES | 
| PRESSURE ANGLE | 14.5000 DEGREES | 
| STYLE DESIGNATOR | PROTRUDING HUB | 
| SURFACE TREATMENT | NICKEL HUB | 
| TEETH QUANTITY | 48 | 
| TEETH TYPE | SINGLE HELIX | 
| TOOTH DIRECTION | RIGHT | 
| TOOTH FORM | STANDARD |