| MATERIAL | STEEL CORROSION RESISTING OVERALL |
| SURFACE TREATMENT | PASSIVATE OVERALL |
| HARDNESS RATING | 28.0 ROCKWELL C MINIMUM AND |
| 32.0 ROCKWELL C MAXIMUM OVERALL |
| TEETH QUANTITY | 20 |
| TOOTH FORM | STANDARD |
| PRESSURE ANGLE | 20.0000 DEGREES |
| STYLE DESIGNATOR | FLANGED END |
| PITCH DIAMETER | 0.6250 INCHES NOMINAL |
| FLANGE NOMINAL DIAMETER | 1.437 INCHES |
| NOMINAL OUTSIDE DIAMETER | 0.687 INCHES |
| FLANGE NOMINAL THICKNESS | 0.250 INCHES |
| FACE NOMINAL WIDTH | 0.188 INCHES |
| NOMINAL DISTANCE BETWEEN OUTER BODY FACE AND INNER FLANGE FACE | 3.750 INCHES |
| BORE STYLE | W/COUNTERBORE BOTH ENDS |
| BORE NOMINAL DIAMETER | 0.250 INCHES BOTH ENDS |
| COUNTERBORE NOMINAL DEPTH | 0.156 INCHES SECOND END |
| COUNTERBORE NOMINAL DIAMETER | 0.812 INCHES FIRST END |
| HUB NOMINAL DIAMETER | 0.438 INCHES BETWEEN BODY AND FLANGE |
| BODY STYLE | PLAIN, SOLID |
| ATTACHMENT METHOD | MOUNTING HOLE |
| MOUNTING HOLE TYPE AND QUANTITY | 1 THREADED TRANSVERSELY THROUGH HUB, FIRST END |
| MOUNTING HOLE THREAD SERIES DESIGNATOR | UNC TRANSVERSELY THROUGH HUB, FIRST END |
| MOUNTING HOLE NOMINAL THREAD SIZE | 0.112 INCHES TRANSVERSELY THROUGH HUB, FIRST END |
| MOUNTING HOLE THREAD QUANTITY PER INCH | 40 TRANSVERSELY THROUGH HUB, FIRST END |
| SPECIAL FEATURES | 0.4375 IN. OD,0.125 IN.LG OF HUB |