| MATERIAL | ALUMINUM ALLOY 6061 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-A-250/11,T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| TEETH QUANTITY | 270 |
| TOOTH FORM | STANDARD |
| PRESSURE ANGLE | 20.0000 DEGREES |
| STYLE DESIGNATOR | PROTRUDING HUBS |
| PITCH DIAMETER | 3.3750 INCHES NOMINAL |
| NOMINAL OUTSIDE DIAMETER | 3.400 INCHES |
| FACE NOMINAL WIDTH | 0.118 INCHES |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.376 INCHES FIRST END |
| 0.032 INCHES SECOND END |
| BORE STYLE | W/COUNTERBORE BOTH ENDS |
| BORE NOMINAL DIAMETER | 2.690 INCHES BOTH ENDS |
| COUNTERBORE NOMINAL DEPTH | 0.034 INCHES SECOND END |
| COUNTERBORE NOMINAL DIAMETER | 2.813 INCHES SECOND END |
| HUB STYLE DESIGNATOR | 1 STEP FIRST END |
| PLAIN SECOND END |
| HUB NOMINAL DIAMETER | 2.938 INCHES SECOND END |
| END NOMINAL LENGTH | 0.095 INCHES FIRST END |
| END NOMINAL DIAMETER | 2.750 INCHES FIRST END |
| FIRST STEP NOMINAL LENGTH | 0.282 INCHES FIRST END |
| FIRST STEP NOMINAL DIAMETER | 2.968 INCHES FIRST END |
| BODY STYLE | PLAIN, SOLID |
| ATTACHMENT METHOD | MOUNTING HOLE |
| MOUNTING HOLE TYPE AND QUANTITY | 4 THREADED AXIALLY THROUGH HUB, FIRST END |
| MOUNTING HOLE THREAD SERIES DESIGNATOR | UNF AXIALLY THROUGH HUB, FIRST END |
| MOUNTING HOLE NOMINAL THREAD SIZE | 0.060 INCHES AXIALLY THROUGH HUB, FIRST END |
| SPECIAL FEATURES | MTG HOLES 90 DEGS APART |