| ATTACHMENT METHOD | MOUNTING HOLE |
| BODY STYLE | WEBBED, SOLID |
| BORE STYLE | INVOLUTE SPLINE FIRST END |
| BORE STYLE | W/COUNTERBORE SECOND END |
| BORE NOMINAL DIAMETER | 1.000 INCHES SECOND END |
| COUNTERBORE NOMINAL DIAMETER | 1.140 INCHES FIRST END |
| COUNTERBORE NOMINAL DEPTH | 0.300 INCHES FIRST END |
| END NOMINAL DIAMETER | 1.560 INCHES FIRST END |
| FACE NOMINAL WIDTH | 0.470 INCHES |
| FIRST GROOVE NOMINAL DIAMETER | 1.370 INCHES FIRST END |
| FIRST GROOVE NOMINAL WIDTH | 0.140 INCHES FIRST END |
| HARDNESS RATING | 60.0 ROCKWELL C NOMINAL OVERALL |
| HUB NOMINAL DIAMETER | 1.560 INCHES FIRST END |
| HUB STYLE DESIGNATOR | 1 GROOVE FIRST END |
| MATERIAL DOCUMENT AND CLASSIFICATION | -S-13048 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| MATERIAL | STEEL COMP 8620 OVERALL |
| MOUNTING HOLE NOMINAL DIAMETER | 0.125 INCHES AXIALLY THROUGH HUB, FIRST END |
| MOUNTING HOLE TYPE AND QUANTITY | 1 PLAIN TRANSVERSELY THROUGH HUB, FIRST END |
| NOMINAL DISTANCE FROM END TO FIRST GROOVE | 0.130 INCHES FIRST END |
| NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END | 0.400 INCHES FIRST END |
| NOMINAL OVERALL LENGTH | 0.870 INCHES |
| NOMINAL OUTSIDE DIAMETER | 4.164 INCHES |
| PITCH DIAMETER | 3.8333 INCHES NOMINAL |
| PRESSURE ANGLE | 25.0000 DEGREES |
| SPLINE PITCH DIAMETER | 0.9375 INCHES NOMINAL BOTH ENDS |
| SPLINE QUANTITY | 15 BOTH ENDS |
| STYLE DESIGNATOR | ONE PROTRUDING HUB, ONE FLUSH HUB |
| TEETH QUANTITY | 23 |
| TOOTH FORM | STANDARD |