| FIRST END STYLE | SPLINED (INVOLUTE) |
| END SIMILARITY | NOT IDENTICAL |
| FIRST END DIAMETER | 0.5000 INCHES NOMINAL |
| FIRST END SPLINE LENGTH | 0.775 INCHES MINIMUM AND 0.781 INCHES MAXIMUM |
| FIRST END SPLINE MINOR DIAMETER | 0.7070 INCHES MINIMUM AND 0.7170 INCHES MAXIMUM |
| FIRST END SPLINE MAJOR DIAMETER | 0.8630 INCHES MINIMUM AND 0.8670 INCHES MAXIMUM |
| FIRST END PRESSURE ANGLE | 30.0000 DEGREES NOMINAL |
| FIRST END PITCH DIAMETER | 0.8000 INCHES NOMINAL |
| FIRST END SPLINE QUANTITY | 12 |
| LARGEST STEP DIAMETER | 1.062 INCHES NOMINAL |