| ATTACHMENT METHOD | MOUNTING HOLE |
| BORE STYLE | PLAIN BOTH ENDS |
| BORE NOMINAL DIAMETER | 0.250 INCHES BOTH ENDS |
| FACE NOMINAL WIDTH | 0.312 INCHES |
| FACE TYPE | STRAIGHT |
| 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 |
| MATERIAL | STEEL COMP 416 OVERALL |
| MOUNTING HOLE NOMINAL THREAD SIZE | 0.138 INCHES TRANSVERSELY THROUGH HUB, FIRST END |
| MOUNTING HOLE THREAD SERIES DESIGNATOR | 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 |
| PITCH DIAMETER | 0.5307 INCHES NOMINAL |
| PRESSURE ANGLE | 20.0000 DEGREES |
| STYLE DESIGNATOR | PROTRUDING HUB |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| THREAD FORM DIRECTION | LEFT-HAND |
| THREAD FORM QUANTITY | 1 |