| ASA STANDARD CHAIN NUMBER | 50 |
| BORE TYPE | INVOLUTE SPLINE |
| DESIGN FORM | PLAIN |
| DISTANCE FROM HUB END TO FLANGE END | 1.002 INCHES MINIMUM AND 1.008 INCHES MAXIMUM AA END |
| FACE WIDTH | 0.355 INCHES NOMINAL |
| HARDNESS RATING TEST METHOD | NOT RATED |
| HUB OUTSIDE DIAMETER | 1.625 INCHES NOMINAL AA END |
| OVERALL LENGTH | 1.357 INCHES MINIMUM AND 1.363 INCHES MAXIMUM |
| MATERIAL | STEEL |
| OUTSIDE DIAMETER | 3.720 INCHES NOMINAL |
| PITCH DIAMETER | 3.400 INCHES NOMINAL |
| PROTRUDING HUB CHARACTERISTIC | PLAIN |
| SPLINE MINOR DIAMETER | 1.133 INCHES MINIMUM AND 1.138 INCHES MAXIMUM |
| SPLINE PITCH DIAMETER | 1.2000 INCHES NOMINAL |
| SPLINE PRESSURE ANGLE IN DEG | 30.0 |
| SPLINE QUANTITY | 24 |
| SPLINE LENGTH | 1.357 INCHES MINIMUM AND 1.363 INCHES MAXIMUM |
| SPLINE MAJOR DIAMETER | 1.273 INCHES NOMINAL |
| STYLE DESIGNATOR | PLAIN |
| SURFACE TREATMENT | CADMIUM |
| TEETH QUANTITY PER ROW | 17 |
| TEETH ROW QUANTITY | 1 |
| TOOTH PITCH | 0.625 INCHES NOMINAL |