| THREAD SIZE DESIGNATOR | 1/4-20 THD SIZE BOTH ENDS |
| FEATURES PROVIDED | EXPOSED COUPLING BOLT TYPE AND |
| FLOATING SHAFT AND |
| SHROUDED COUPLING BOLT TYPE |
| DESIGN TYPE | INTERNAL GEAR |
| OVERALL LENGTH | 2.875 INCHES NOMINAL |
| OUTSIDE DIAMETER | 3.9375 INCHES NOMINAL |
| BORE SHAPE | SPLINED BOTH ENDS |
| SPLINE QUANTITY | 12 FIRST END |
| 6 SECOND END |
| SPLINE MINOR DIAMETER | 0.5500 INCHES MINIMUM AND |
| 0.5525 INCHES MAXIMUM FIRST END |
| 0.8490 INCHES MINIMUM AND |
| 0.8500 INCHES MAXIMUM SECOND END |
| SPLINE MAJOR DIAMETER | 0.6500 INCHES MINIMUM AND |
| 0.6508 INCHES MAXIMUM FIRST END |
| 0.9990 INCHES MINIMUM AND |
| 1.0000 INCHES MAXIMUM SECOND END |
| SPLINE LENGTH | 1.375 INCHES NOMINAL FIRST END |
| 1.375 INCHES NOMINAL SECOND END |
| SECURING METHOD | THREADED HOLE SECOND END |
| THREADED HOLE QUANTITY | 2 BOTH ENDS |