| MATERIAL | STEEL COMP 630 OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | AMS 5643,17-4PH NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| HARDNESS RATING | 32.0 ROCKWELL C MINIMUM AND |
| 36.0 ROCKWELL C MAXIMUM OVERALL |
| TEETH QUANTITY | 25 |
| TOOTH FORM | STANDARD |
| PRESSURE ANGLE | 20.0000 DEGREES |
| STYLE DESIGNATOR | PROTRUDING HUB |
| PITCH RADIUS | 1.6500 INCHES NOMINAL |
| NOMINAL OVERALL LENGTH | 0.650 INCHES |
| FACE NOMINAL WIDTH | 0.140 INCHES |
| NOMINAL OUTSIDE RADIUS | 1.7813 INCHES |
| ARC NOMINAL LENGTH | 2.455 INCHES |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.5160 INCHES FIRST END |
| BORE STYLE | W/COUNTERBORE COUNTERBORE, FIRST END |
| BORE NOMINAL DIAMETER | 0.219 INCHES COUNTERBORE, FIRST END |
| COUNTERBORE NOMINAL DEPTH | 0.193 INCHES COUNTERBORE, FIRST END |
| COUNTERBORE NOMINAL DIAMETER | 0.318 INCHES COUNTERBORE, FIRST END |
| HUB STYLE DESIGNATOR | PLAIN FIRST END |
| HUB NOMINAL DIAMETER | 0.5000 INCHES FIRST END |