| ATTACHMENT METHOD | MOUNTING HOLE |
| BODY STYLE | WEBBED, WITH LIGHTENING HOLES |
| BOLT HOLE CIRCLE NOMINAL DIAMETER | 9.000 INCHES AXIALLY THROUGH BODY, FIRST END |
| BORE STYLE | W/COUNTERBORE COUNTERBORE, FIRST END |
| BORE NOMINAL DIAMETER | 3.750 INCHES COUNTERBORE, FIRST END |
| COUNTERBORE NOMINAL DIAMETER | 11.000 INCHES COUNTERBORE, FIRST END |
| COUNTERBORE NOMINAL DEPTH | 0.250 INCHES COUNTERBORE, FIRST END |
| FACE TYPE | CONCAVE |
| FACE NOMINAL WIDTH | 2.000 INCHES |
| HELIX ANGLE | 9.0499 DEGREES |
| HUB NOMINAL DIAMETER | 12.000 INCHES FIRST END |
| HUB STYLE DESIGNATOR | PLAIN BOTH ENDS |
| HUB NOMINAL DIAMETER | 6.000 INCHES SECOND END |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-B-16522,CL 1 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | COPPER ALLOY OVERALL |
| MATING THREAD LEAD QUANTITY | 2 |
| MOUNTING HOLE NOMINAL THREAD SIZE | 0.625 INCHES AXIALLY THROUGH BODY, FIRST END |
| MOUNTING HOLE THREAD SERIES DESIGNATOR | UNC AXIALLY THROUGH BODY, FIRST END |
| MOUNTING HOLE TYPE AND QUANTITY | 6 THREADED AXIALLY THROUGH BODY, FIRST END |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 1.000 INCHES BOTH ENDS |
| NOMINAL OUTSIDE DIAMETER | 20.332 INCHES |
| PITCH DIAMETER | 19.4950 INCHES NOMINAL |
| PRESSURE ANGLE | 20.0000 DEGREES |
| STYLE DESIGNATOR | PROTRUDING HUBS |
| TEETH QUANTITY | 70 |
| THROAT NOMINAL RADIUS | 1.471 INCHES |
| TOOTH DIRECTION | RIGHT |