| ATTACHMENT METHOD | MOUNTING HOLE |
| BODY RECESS NOMINAL DEPTH | 0.031 INCHES SECOND END |
| BORE NOMINAL DIAMETER | 0.250 INCHES BOTH ENDS |
| BORE STYLE | PLAIN BOTH ENDS |
| FURNISHED ITEMS AND QUANTITY | 1 SETSCREW |
| FACE NOMINAL WIDTH | 0.187 INCHES |
| HUB NOMINAL DIAMETER | 0.500 INCHES FIRST END |
| HUB STYLE DESIGNATOR | PINNED FIRST END |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763,CLASS303 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 303 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 | 0.240 INCHES FIRST END |
| NOMINAL OUTSIDE DIAMETER | 3.968 INCHES |
| PITCH DIAMETER | 3.9052 INCHES MINIMUM AND 3.9062 INCHES MAXIMUM |
| PRESSURE ANGLE | 20.0000 DEGREES |
| STYLE DESIGNATOR | PROTRUDING HUB, RECESSED BODY |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| TEETH QUANTITY | 125 |
| TOOTH FORM | STANDARD |