| ATTACHMENT METHOD | MOUNTING HOLE |
| BORE NOMINAL DIAMETER | 0.375 INCHES BOTH ENDS |
| FACE NOMINAL WIDTH | 0.080 INCHES |
| FIRST GROOVE NOMINAL DIAMETER | 0.148 INCHES FIRST END |
| FIRST GROOVE NOMINAL WIDTH | 0.030 INCHES FIRST END |
| HUB NOMINAL DIAMETER | 0.186 INCHES FIRST END |
| HUB STYLE DESIGNATOR | 1 GROOVE FIRST END |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-250/4,T4 FED SPEC SINGLE MATERIAL RESPONSE BODY |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-S-763,COND A FED SPEC SINGLE MATERIAL RESPONSE HUB |
| MATERIAL | ALUMINUM ALLOY 2024 BODY |
| MATERIAL | STEEL COMP 303 HUB |
| PITCH DIAMETER | 2.8750 INCHES NOMINAL |
| MOUNTING HOLE NOMINAL DIAMETER | 0.085 INCHES TRANSVERSELY THROUGH HUB FIRST END |
| MOUNTING HOLE TYPE AND QUANTITY | 1 PLAIN TRANSVERSELY THROUGH HUB FIRST END |
| NOMINAL DISTANCE FROM END TO FIRST GROOVE | 0.039 INCHES FIRST END |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.063 INCHES SECOND END |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.383 INCHES FIRST END |
| NOMINAL OVERALL LENGTH | 0.508 INCHES |
| PRESSURE ANGLE | 20.0000 DEGREES |
| STYLE DESIGNATOR | PROTRUDING HUBS |
| SURFACE TREATMENT DOCUMENT AND CLASSIFICATION | MIL-F-14072 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| SURFACE TREATMENT | CHROMIUM OVERALL |
| TEETH QUANTITY | 184 |
| TOOTH FORM | STANDARD |