| MATERIAL | COPPER ALLOY 675 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | QQ-B-728,CLASS A,COMP HARD /D/ FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| TEETH QUANTITY | 102 |
| TOOTH FORM | STANDARD |
| PRESSURE ANGLE | 20.0000 DEGREES |
| PRECISION CLASSIFICATION | QUALITY NUMBER 10 OR |
| QUALITY NUMBER 11 |
| BACKLASH DESIGNATION | GRADE C |
| STYLE DESIGNATOR | PROTRUDING HUB |
| PITCH DIAMETER | 3.1875 INCHES NOMINAL |
| NOMINAL OUTSIDE DIAMETER | 3.250 INCHES |
| FACE NOMINAL WIDTH | 0.125 INCHES |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.175 INCHES FIRST END |
| BORE STYLE | PLAIN BOTH ENDS |
| BORE NOMINAL DIAMETER | 0.188 INCHES BOTH ENDS |
| HUB STYLE DESIGNATOR | 1 STEP FIRST END |
| END NOMINAL LENGTH | 0.062 INCHES FIRST END |
| END NOMINAL DIAMETER | 0.250 INCHES FIRST END |
| FIRST STEP NOMINAL LENGTH | 0.113 INCHES FIRST END |
| FIRST STEP NOMINAL DIAMETER | 0.375 INCHES FIRST END |
| BODY STYLE | PLAIN, WITH LIGHTENING HOLES |
| ATTACHMENT METHOD | MOUNTING HOLE |
| MOUNTING HOLE TYPE AND QUANTITY | 3 THREADED AXIALLY THROUGH BODY, FIRST END |
| MOUNTING HOLE THREAD SERIES DESIGNATOR | UNC AXIALLY THROUGH BODY, FIRST END |
| MOUNTING HOLE NOMINAL THREAD SIZE | 0.112 INCHES AXIALLY THROUGH BODY, FIRST END |
| MOUNTING HOLE THREAD QUANTITY PER INCH | 40 AXIALLY THROUGH BODY, FIRST END |
| BOLT HOLE CIRCLE NOMINAL DIAMETER | 2.000 INCHES AXIALLY THROUGH BODY, FIRST END |
| SPECIAL FEATURES | MTG HOLES SPACED 120 DEG APART |