| ATTACHMENT METHOD | MOUNTING HOLE |
| BODY STYLE | PLAIN, SOLID |
| BORE STYLE | INVOLUTE SPLINE BOTH ENDS |
| BORE NOMINAL DIAMETER | 3.3437 INCHES FIRST END |
| COUNTERBORE NOMINAL DEPTH | 0.171 INCHES FIRST END |
| COUNTERBORE NOMINAL DIAMETER | 4.0000 INCHES FIRST END |
| FACE NOMINAL WIDTH | 1.281 INCHES |
| HARDNESS RATING | 59.0 ROCKWELL C MINIMUM OVERALL AND 62.0 ROCKWELL C MAXIMUM OVERALL |
| HELIX ANGLE | 26.1838 DEGREES |
| MATERIAL DOCUMENT AND CLASSIFICATION | FED STD 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| HUB NOMINAL DIAMETER | 4.6295 INCHES FIRST END |
| HUB STYLE DESIGNATOR | PLAIN FIRST END |
| III MATERIAL | STEEL COMP 8620H OVERALL |
| PITCH DIAMETER | 6.5000 INCHES NOMINAL |
| PRESSURE ANGLE | 17.5000 DEGREES |
| PROPRIETARY CHARACTERISTICS | PACS |
| MOUNTING HOLE NOMINAL DIAMETER | 0.250 INCHES TRANSVERSELY THROUGH HUB, FIRST END |
| MOUNTING HOLE TYPE AND QUANTITY | 3 PLAIN TRANSVERSELY THROUGH HUB, FIRST END |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.890 INCHES FIRST END |
| NOMINAL OUTSIDE DIAMETER | 6.8305 INCHES |
| SPLINE PITCH DIAMETER | 3.1429 INCHES NOMINAL BOTH ENDS |
| SPLINE QUANTITY | 22 BOTH ENDS |
| SPECIAL FEATURES | STEPPED BORE,2.754 IN.DIA,1.404 IN.LG 1ST STEP,3.3437 IN.DIA,0.279 IN.LG 2ND STEP BORE |
| STYLE DESIGNATOR | PROTRUDING HUB |
| TEETH QUANTITY | 35 |
| TEETH TYPE | SINGLE HELIX |
| TOOTH DIRECTION | LEFT |
| TOOTH FORM | STANDARD |