| ATTACHMENT METHOD | MOUNTING HOLE |
| BODY STYLE | PLAIN, SOLID |
| BOLT HOLE CIRCLE NOMINAL DIAMETER | 3.6250 INCHES AXIALLY THROUGH BODY FIRST END |
| BORE NOMINAL DIAMETER | 3.0000 INCHES BOTH ENDS |
| BORE STYLE | PLAIN BOTH ENDS |
| FACE NOMINAL WIDTH | 3.8130 INCHES |
| HARDNESS RATING | 34.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL |
| HUB NOMINAL DIAMETER | 3.1868 INCHES FIRST END |
| HUB STYLE DESIGNATOR | PLAIN FIRST END |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| PITCH DIAMETER | 4.0000 INCHES NOMINAL |
| MATERIAL | STEEL COMP E4340 OVERALL |
| MOUNTING HOLE NOMINAL DIAMETER | 0.189 INCHES AXIALLY THROUGH BODY FIRST END |
| MOUNTING HOLE NOMINAL THREAD SIZE | 0.1900 INCHES AXIALLY THROUGH BODY FIRST END |
| MOUNTING HOLE THREAD SERIES DESIGNATOR | UNF AXIALLY THROUGH BODY FIRST END |
| MOUNTING HOLE TYPE AND QUANTITY | 3 PLAIN AND 3 THREADED AXIALLY THROUGH BODY FIRST END |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.1870 INCHES FIRST END |
| NOMINAL OVERALL LENGTH | 4.0000 INCHES |
| NOMINAL OUTSIDE DIAMETER | 4.3615 INCHES |
| PRESSURE ANGLE | 20.0000 DEGREES |
| STYLE DESIGNATOR | SOLID BACK RING, PROTRUDING HUB, RECESSED HUB |
| TEETH QUANTITY | 64 |
| TEETH TYPE | SPUR |