| MATERIAL | STEEL COMP 8620 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | 66,AISI/SAE 8620 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| HARDNESS RATING | 58.0 ROCKWELL C MINIMUM AND |
| 62.0 ROCKWELL C MAXIMUM OVERALL |
| TEETH QUANTITY | 33 |
| TOOTH FORM | STANDARD |
| PRESSURE ANGLE | 20.0000 DEGREES |
| STYLE DESIGNATOR | FLANGED END WITH PILOT |
| PITCH DIAMETER | 4.1250 INCHES NOMINAL |
| FLANGE NOMINAL DIAMETER | 7.250 INCHES |
| NOMINAL OUTSIDE DIAMETER | 4.372 INCHES |
| PILOT NOMINAL LENGTH | 0.880 INCHES |
| FLANGE NOMINAL THICKNESS | 0.380 INCHES |
| FACE NOMINAL WIDTH | 0.500 INCHES |
| NOMINAL DISTANCE BETWEEN OUTER BODY FACE AND INNER FLANGE FACE | 2.310 INCHES |
| PILOT NOMINAL DIAMETER | 2.832 INCHES |
| BORE STYLE | INVOLUTE SPLINE BOTH ENDS |
| BORE NOMINAL DIAMETER | 1.615 INCHES BOTH ENDS |
| SPLINE QUANTITY | 15 BOTH ENDS |
| SPLINE PITCH DIAMETER | 1.5000 INCHES NOMINAL BOTH ENDS |
| COUNTERBORE NOMINAL DEPTH | 0.690 INCHES FIRST END |
| 0.410 INCHES SECOND END |
| COUNTERBORE NOMINAL DIAMETER | 1.750 INCHES FIRST END |
| 4.1250 INCHES SECOND END |
| HUB NOMINAL DIAMETER | 2.250 INCHES BETWEEN BODY AND FLANGE |
| BODY STYLE | PLAIN, SOLID |
| ATTACHMENT METHOD | MOUNTING HOLE |
| MOUNTING HOLE TYPE AND QUANTITY | 12 PLAIN AXIALLY THROUGH FLANGE |
| MOUNTING HOLE NOMINAL DIAMETER | 0.595 INCHES AXIALLY THROUGH FLANGE |
| BOLT HOLE CIRCLE NOMINAL DIAMETER | 6.000 INCHES AXIALLY THROUGH FLANGE |
| SPECIAL FEATURES | SPLINE MINOR DIA. 1.442 IN. NOM |
| THE MANUFACTURERS DATA | |
| MANUFACTURERS CODE | 19207 |
| DESIGN CONTROL REFERENCE | 7737918 |