| ATTACHMENT METHOD | MOUNTING HOLE |
| BORE NOMINAL DIAMETER | 0.218 INCHES BOTH ENDS |
| BORE STYLE | PLAIN BOTH ENDS |
| FACE NOMINAL WIDTH | 0.183 INCHES |
| HUB NOMINAL DIAMETER | 0.609 INCHES SECOND END |
| HUB NOMINAL DIAMETER | 0.875 INCHES FIRST END |
| HUB STYLE DESIGNATOR | PLAIN BOTH ENDS |
| MATERIAL DOCUMENT AND CLASSIFICATION | MIL-S-7720 MIL SPEC SINGLE MATERIAL RESPONSE HUB |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-250/4,T3 FED SPEC SINGLE MATERIAL RESPONSE FIRST GEAR |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-250/4,T3 FED SPEC SINGLE MATERIAL RESPONSE SECOND GEAR |
| MATERIAL | ALUMINUM ALLOY 2024 FIRST GEAR |
| MATERIAL | ALUMINUM ALLOY 2024 SECOND GEAR |
| MATERIAL | STEEL COMP 303S HUB |
| MATERIAL | STEEL SPRING |
| MOUNTING HOLE NOMINAL DIAMETER | 0.110 INCHES TRANSVERSELY THROUGH HUB FIRST END |
| MOUNTING HOLE TYPE AND QUANTITY | 2 PLAIN TRANSVERSELY THROUGH HUB FIRST END |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.072 INCHES SECOND END |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.125 INCHES FIRST END |
| NOMINAL OUTSIDE DIAMETER | 4.042 INCHES |
| PITCH DIAMETER | 4.0000 INCHES NOMINAL |
| PRESSURE ANGLE | 20.0000 DEGREES |
| STYLE DESIGNATOR | PROTRUDING HUBS |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625,TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE FIRST GEAR |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-A-8625,TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE SECOND GEAR |
| SURFACE TREATMENT | ANODIZE FIRST GEAR |
| SURFACE TREATMENT | ANODIZE SECOND GEAR |
| SURFACE TREATMENT | PASSIVATE HUB |
| TEETH QUANTITY | 192 |
| TOOTH FORM | STANDARD |