| ATTACHMENT METHOD | MOUNTING HOLE |
| ARC NOMINAL LENGTH | 0.120 INCHES |
| BORE NOMINAL DIAMETER | 0.188 INCHES BOTH ENDS |
| BORE STYLE | PLAIN BOTH ENDS |
| END NOMINAL DIAMETER | 0.256 INCHES FIRST END |
| END NOMINAL LENGTH | 0.030 INCHES FIRST END |
| FACE NOMINAL WIDTH | 0.125 INCHES |
| FIRST STEP NOMINAL DIAMETER | 0.375 INCHES FIRST END |
| FIRST STEP NOMINAL LENGTH | 0.248 INCHES FIRST END |
| HUB STYLE DESIGNATOR | 1 STEP FIRST END |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-7720 COND A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 303S OVERALL |
| MOUNTING HOLE NOMINAL THREAD SIZE | 0.112 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 | 1 THREADED AXIALLY THROUGH HUB FIRST END |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.2780 INCHES FIRST END |
| NOMINAL OUTSIDE RADIUS | 0.920 INCHES |
| PITCH RADIUS | 1.8245 INCHES NOMINAL |
| PRESSURE ANGLE | 20.0000 DEGREES |
| SPECIAL FEATURES | 0.600 IN.DIA HOLE IN GEAR FACE,0.550 IN.FROM BORE CENTER TO HOLE CENTER |
| STYLE DESIGNATOR | PROTRUDING HUB |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-F-14072,FINISH E300 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| TEETH QUANTITY | 219 |
| TOOTH FORM | STANDARD |