| ATTACHMENT METHOD | MOUNTING HOLE |
| BODY STYLE | PLAIN, SOLID |
| BORE NOMINAL DEPTH | 0.338 INCHES BOTH ENDS |
| BORE NOMINAL DIAMETER | 0.250 INCHES BOTH ENDS |
| BORE STYLE | PLAIN BOTH ENDS |
| FACE NOMINAL WIDTH | 0.156 INCHES |
| HUB NOMINAL DIAMETER | 0.438 INCHES SECOND END |
| HUB STYLE DESIGNATOR | PINNED SECOND END |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 303 OVERALL |
| PITCH ANGLE | 7.3692 DEGREES |
| PITCH DIAMETER | 0.5000 INCHES NOMINAL |
| PRESSURE ANGLE | 20.0000 DEGREES |
| MOUNTING HOLE THREAD QUANTITY PER INCH | 56 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 |
| MOUNTING HOLE NOMINAL THREAD SIZE | 0.086 INCHES TRANSVERSELY THROUGH HUB FIRST END |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.186 INCHES SECOND END |
| NOMINAL OUTSIDE DIAMETER | 0.5365 INCHES |
| NOMINAL OVERALL LENGTH | 0.338 INCHES |
| SPECIAL FEATURES | DISTANCE FROM END OF HUB TO CENTER OF TAPPED HOLE 0.078 NOM IN. |
| STYLE DESIGNATOR | PERIPHERAL FACE, BACK HUB PROTRUDING |
| TEETH QUANTITY | 24 |
| TEETH TYPE | SPIRAL |
| TOOTH DIRECTION | LEFT |