| ATTACHMENT METHOD | MOUNTING HOLE | 
| BORE NOMINAL DIAMETER | 0.250 INCHES BOTH ENDS | 
| BORE STYLE | PLAIN BOTH ENDS | 
| FACE TYPE | STRAIGHT | 
| FACE NOMINAL WIDTH | 0.312 INCHES | 
| HELIX ANGLE | 3.0000 DEGREES | 
| HUB NOMINAL DIAMETER | 0.438 INCHES FIRST END | 
| HUB STYLE DESIGNATOR | PLAIN FIRST END | 
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL | 
| PITCH DIAMETER | 0.5307 INCHES NOMINAL | 
| MATERIAL | STEEL COMP 416 OVERALL | 
| MOUNTING HOLE NOMINAL THREAD SIZE | 0.138 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 | 1 THREADED TRANSVERSELY THROUGH HUB FIRST END | 
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.219 INCHES FIRST END | 
| PRESSURE ANGLE | 20.0000 DEGREES | 
| STYLE DESIGNATOR | PROTRUDING HUB | 
| SURFACE TREATMENT | PASSIVATE OVERALL | 
| THREAD FORM DIRECTION | LEFT-HAND | 
| THREAD FORM QUANTITY | 1 |