| ATTACHMENT METHOD | MOUNTING HOLE |
| BORE NOMINAL DIAMETER | 0.188 INCHES BOTH ENDS |
| BORE STYLE | PLAIN BOTH ENDS |
| FACE TYPE | STRAIGHT |
| FACE NOMINAL WIDTH | 0.398 INCHES |
| FIRST GROOVE NOMINAL DIAMETER | 0.270 INCHES FIRST END |
| FIRST GROOVE NOMINAL WIDTH | 0.040 INCHES FIRST END |
| HELIX ANGLE | 3.5832 DEGREES |
| HUB NOMINAL DIAMETER | 0.375 INCHES FIRST END |
| HUB STYLE DESIGNATOR | 1 GROOVE FIRST END |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763,COND A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 303 OVERALL |
| PITCH DIAMETER | 0.3300 INCHES MINIMUM AND 0.3330 INCHES MAXIMUM |
| MOUNTING HOLE NOMINAL THREAD SIZE | 0.112 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 FROM END TO FIRST GROOVE | 0.196 INCHES FIRST END |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.196 INCHES FIRST END |
| NOMINAL OUTSIDE DIAMETER | 0.375 INCHES |
| PRESSURE ANGLE | 14.5000 DEGREES |
| SPECIAL FEATURES | MTG HOLES 180 DEG APART ON HUB |
| STYLE DESIGNATOR | PROTRUDING HUB |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| THREAD FORM DIRECTION | RIGHT-HAND |
| THREAD FORM QUANTITY | 1 |