| ATTACHMENT METHOD | MOUNTING HOLE |
| BODY STYLE | SPOKED |
| BORE NOMINAL DIAMETER | 0.375 INCHES BOTH ENDS |
| BORE STYLE | PLAIN BOTH ENDS |
| FACE TYPE | CONCAVE |
| FACE NOMINAL WIDTH | 0.250 INCHES |
| HELIX ANGLE | 9.4665 DEGREES |
| HUB NOMINAL DIAMETER | 0.875 INCHES FIRST END |
| HUB STYLE DESIGNATOR | PLAIN FIRST END |
| MATERIAL | COPPER ALLOY OVERALL |
| PITCH DIAMETER | 4.0000 INCHES NOMINAL |
| MATING THREAD LEAD QUANTITY | 2 |
| MOUNTING HOLE NOMINAL THREAD SIZE | 0.164 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 | 0.375 INCHES FIRST END |
| NOMINAL OUTSIDE DIAMETER | 4.120 INCHES |
| PRESSURE ANGLE | 20.0000 DEGREES |
| REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS | AS DIFFERENTIATED BY ATTACHING METHOD |
| STYLE DESIGNATOR | ONE PROTRUDING HUB, ONE FLUSH HUB |
| TEETH QUANTITY | 96 |
| THROAT NOMINAL RADIUS | 0.208 INCHES |
| TOOTH DIRECTION | RIGHT |