| ATTACHMENT METHOD | MOUNTING HOLE |
| BODY STYLE | WEBBED, SOLID |
| BOLT HOLE CIRCLE NOMINAL DIAMETER | 3.500 INCHES AXIALLY THROUGH BODY, FIRST END |
| BORE NOMINAL DIAMETER | 2.078 INCHES BOTH ENDS |
| BORE STYLE | PLAIN BOTH ENDS |
| END NOMINAL DIAMETER | 2.156 INCHES FIRST END |
| END NOMINAL LENGTH | 0.094 INCHES FIRST END |
| FACE NOMINAL WIDTH | 1.078 INCHES |
| FIRST STEP NOMINAL DIAMETER | 2.840 INCHES FIRST END |
| FIRST STEP NOMINAL LENGTH | 0.187 INCHES FIRST END |
| HARDNESS RATING | 59.0 ROCKWELL C MINIMUM AND 62.0 ROCKWELL C MAXIMUM OVERALL |
| HELIX ANGLE | 28.2723 DEGREES |
| HUB STYLE DESIGNATOR | 1 STEP FIRST END |
| HUB STYLE DESIGNATOR | PLAIN SECOND END |
| HUB NOMINAL DIAMETER | 2.500 INCHES SECOND END |
| MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 8620H OVERALL |
| MOUNTING HOLE TYPE AND QUANTITY | 4 PLAIN TRANSVERSELY THROUGH FACE |
| MOUNTING HOLE NOMINAL DIAMETER | 0.516 INCHES TRANSVERSELY THROUGH FACE |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.184 INCHES SECOND END |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.187 INCHES FIRST END |
| NOMINAL OUTSIDE DIAMETER | 6.645 INCHES |
| PITCH DIAMETER | 6.4619 INCHES NOMINAL |
| PRESSURE ANGLE | 20.0000 DEGREES |
| STYLE DESIGNATOR | PROTRUDING HUBS |
| TEETH QUANTITY | 46 |
| TEETH TYPE | SINGLE HELIX |
| TOOTH DIRECTION | LEFT |
| TOOTH FORM | STANDARD |