| ATTACHMENT METHOD | MOUNTING HOLE |
| BODY STYLE | WEBBED, WITH LIGHTENING HOLES |
| BOLT HOLE CIRCLE NOMINAL DIAMETER | 3.880 INCHES AXIALLY THROUGH BODY, FIRST END |
| BORE STYLE | TAPERED W/KEYWAY SECOND END |
| FACE NOMINAL WIDTH | 0.625 INCHES |
| HARDNESS RATING | 77.0 ROCKWELL C MINIMUM AND 81.0 ROCKWELL C MAXIMUM OVERALL |
| HELIX ANGLE | 18.5732 DEGREES |
| KEYWAY NOMINAL WIDTH | 0.158 INCHES SECOND END |
| MATERIAL DOCUMENT AND CLASSIFICATION | FED STD 66 FED STD ALL MATERIAL RESPONSES OVERALL |
| HUB NOMINAL DIAMETER | 2.000 INCHES BOTH ENDS |
| HUB STYLE DESIGNATOR | PLAIN BOTH ENDS |
| III MATERIAL | STEEL COMP 8617 OR STEEL COMP 8622 OVERALL |
| PITCH DIAMETER | 6.8571 INCHES NOMINAL |
| PRESSURE ANGLE | 20.0000 DEGREES |
| PROPRIETARY CHARACTERISTICS | PACS |
| MOUNTING HOLE NOMINAL THREAD SIZE | 0.375 INCHES AXIALLY THROUGH BODY, FIRST END |
| MOUNTING HOLE TYPE AND QUANTITY | 2 THREADED AXIALLY THROUGH BODY, FIRST END |
| MOUNTING HOLE THREAD SERIES DESIGNATOR | UNC AXIALLY THROUGH BODY, FIRST END |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.125 INCHES BOTH ENDS |
| NOMINAL DISTANCE FROM BORE CENTER TO KEYWAY BOTTOM | 0.699 INCHES SECOND END |
| NOMINAL OUTSIDE DIAMETER | 7.107 INCHES |
| STYLE DESIGNATOR | PROTRUDING HUBS |
| TEETH QUANTITY | 52 |
| TEETH TYPE | SINGLE HELIX |
| TAPER MAJOR NOMINAL DIAMETER | 1.227 INCHES SECOND END |
| TOOTH DIRECTION | LEFT |
| TOOTH FORM | STANDARD |