| MATERIAL | STEEL OVERALL |
| MATERIAL DOCUMENT AND CLASSIFICATION | 66 FED STD SINGLE MATERIAL RESPONSE AND |
| AISI/SAE 5150H ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| HARDNESS RATING | 57.0 ROCKWELL C NOMINAL TEETH |
| TEETH QUANTITY | 40 |
| TOOTH FORM | STANDARD |
| PRESSURE ANGLE | 20.0000 DEGREES |
| STYLE DESIGNATOR | FLANGED END |
| PITCH DIAMETER | 5.0000 INCHES NOMINAL |
| FLANGE NOMINAL DIAMETER | 5.500 INCHES |
| NOMINAL OUTSIDE DIAMETER | 5.245 INCHES |
| FLANGE NOMINAL THICKNESS | 0.840 INCHES |
| FACE NOMINAL WIDTH | 0.510 INCHES |
| NOMINAL DISTANCE BETWEEN OUTER BODY FACE AND INNER FLANGE FACE | 0.780 INCHES |
| BORE STYLE | W/COUNTERBORE BOTH ENDS |
| BORE NOMINAL DIAMETER | 3.626 INCHES BOTH ENDS |
| COUNTERBORE NOMINAL DEPTH | 0.737 INCHES SECOND END |
| COUNTERBORE NOMINAL DIAMETER | 1.000 INCHES SECOND END |
| HUB STYLE DESIGNATOR | PLAIN FIRST END |
| HUB NOMINAL DIAMETER | 4.500 INCHES FIRST END |
| BODY STYLE | PLAIN, SOLID |
| ATTACHMENT METHOD | MOUNTING HOLE |
| MOUNTING HOLE TYPE AND QUANTITY | 1 THREADED AXIALLY THROUGH FLANGE |
| MOUNTING HOLE THREAD SERIES DESIGNATOR | UNF AXIALLY THROUGH FLANGE |
| MOUNTING HOLE NOMINAL THREAD SIZE | 0.250 INCHES AXIALLY THROUGH FLANGE |