| ATTACHMENT METHOD | MOUNTING HOLE | 
| BODY STYLE | PLAIN, SOLID | 
| BORE NOMINAL DIAMETER | 0.125 INCHES BOTH ENDS | 
| BORE STYLE | PLAIN BOTH ENDS | 
| END NOMINAL DIAMETER | 0.171 INCHES FIRST END | 
| END NOMINAL LENGTH | 0.015 INCHES FIRST END | 
| FACE NOMINAL WIDTH | 0.060 INCHES | 
| FIRST STEP NOMINAL DIAMETER | 0.375 INCHES FIRST END | 
| FIRST STEP NOMINAL LENGTH | 0.134 INCHES FIRST END | 
| HUB NOMINAL DIAMETER | 0.171 INCHES SECOND END | 
| HUB STYLE DESIGNATOR | 1 STEP FIRST END | 
| HUB STYLE DESIGNATOR | PLAIN SECOND END | 
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-764,TYPE 303,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL | 
| MATERIAL | STEEL COMP 303 OVERALL | 
| PITCH DIAMETER | 1.2159 INCHES MINIMUM AND 1.2166 INCHES MAXIMUM | 
| MOUNTING HOLE NOMINAL THREAD SIZE | 0.086 INCHES TRANSVERSELY THROUGH HUB FIRST END | 
| MOUNTING HOLE THREAD SERIES DESIGNATOR | UNIFIED NATIONAL COARSE (UNC) TRANSVERSELY THROUGH HUB FIRST END | 
| MOUNTING HOLE TYPE AND QUANTITY | 2 THREADED TRANSVERSELY THROUGH HUB FIRST END | 
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.015 INCHES SECOND END | 
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.149 INCHES FIRST END | 
| NOMINAL OUTSIDE DIAMETER | 1.232 INCHES | 
| PRESSURE ANGLE | 20.0000 DEGREES | 
| STYLE DESIGNATOR | PROTRUDING HUBS | 
| SURFACE TREATMENT | PASSIVATE OVERALL | 
| TEETH QUANTITY | 146 | 
| TOOTH FORM | STANDARD |