| MATERIAL | STEEL OVERALL |
| HARDNESS RATING | 48.0 ROCKWELL C MINIMUM AND |
| 53.0 ROCKWELL C MAXIMUM OVERALL |
| TEETH QUANTITY | 67 |
| TEETH TYPE | SINGLE HELIX |
| TOOTH FORM | STANDARD |
| TOOTH DIRECTION | LEFT |
| PRESSURE ANGLE | 20.0000 DEGREES |
| HELIX ANGLE | 21.0000 DEGREES |
| STYLE DESIGNATOR | PLAIN RING |
| PITCH DIAMETER | 5.1262 INCHES NOMINAL |
| NOMINAL OUTSIDE DIAMETER | 6.539 INCHES |
| FACE NOMINAL WIDTH | 0.878 INCHES |
| BODY STYLE | PLAIN, SOLID |
| ATTACHMENT METHOD | MOUNTING HOLE |
| MOUNTING HOLE TYPE AND QUANTITY | 2 COUNTERBORED AXIALLY THROUGH BODY, FIRST END |
| 6 PLAIN AXIALLY THROUGH BODY, SECOND END |
| MOUNTING HOLE NOMINAL DIAMETER | 0.281 INCHES AXIALLY THROUGH BODY, FIRST END |
| BOLT HOLE CIRCLE NOMINAL DIAMETER | 5.922 INCHES AXIALLY THROUGH BODY, FIRST END |
| FEATURES PROVIDED | ALIGNMENT HOLE |
| THE MANUFACTURERS DATA | |
| MANUFACTURERS CODE | 72590 |
| DESIGN CONTROL REFERENCE | 8613888 |