| MATERIAL | ALUMINUM ALLOY BODY |
| COPPER ALLOY HUB |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-268,T4 FED SPEC SINGLE MATERIAL RESPONSE BODY |
| MIL-B-5687,TY 1,COMP A MIL SPEC SINGLE MATERIAL RESPONSE HUB |
| TEETH QUANTITY | 78 |
| TOOTH FORM | STANDARD |
| PRESSURE ANGLE | 20.0000 DEGREES |
| PRECISION CLASSIFICATION | QUALITY NUMBER 10 |
| STYLE DESIGNATOR | PROTRUDING HUB |
| PITCH DIAMETER | 1.2187 INCHES NOMINAL |
| NOMINAL OUTSIDE DIAMETER | 1.2500 INCHES |
| FACE NOMINAL WIDTH | 0.120 INCHES |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.3000 INCHES FIRST END |
| BORE STYLE | PLAIN BOTH ENDS |
| BORE NOMINAL DIAMETER | 0.2507 INCHES BOTH ENDS |
| HUB STYLE DESIGNATOR | 2 STEPS FIRST END |
| END NOMINAL LENGTH | 0.2000 INCHES FIRST END |
| END NOMINAL DIAMETER | 0.3630 INCHES FIRST END |
| FIRST STEP NOMINAL LENGTH | 0.0550 INCHES FIRST END |
| FIRST STEP NOMINAL DIAMETER | 0.4320 INCHES FIRST END |
| SECOND STEP NOMINAL LENGTH | 0.0450 INCHES FIRST END |
| SECOND STEP NOMINAL DIAMETER | 0.0550 INCHES FIRST END |
| BODY STYLE | PLAIN, SOLID |
| ATTACHMENT METHOD | MOUNTING HOLE |
| MOUNTING HOLE TYPE AND QUANTITY | 2 PLAIN AXIALLY THROUGH BODY, FIRST END |
| MOUNTING HOLE NOMINAL DIAMETER | 0.036 INCHES AND |
| 0.062 INCHES AXIALLY THROUGH BODY, FIRST END |
| BOLT HOLE CIRCLE NOMINAL DIAMETER | 0.640 INCHES AXIALLY THROUGH BODY, FIRST END |