| BORE TYPE | INVOLUTE SPLINE |
| DESIGN FORM | PLAIN |
| DISTANCE FROM HUB END TO FLANGE END | 0.250 INCHES NOMINAL BOTH ENDS |
| FACE WIDTH | 0.410 INCHES NOMINAL |
| FURNISHED ITEMS | LIGHTENING HOLE |
| HARDNESS RATING TEST METHOD | NOT RATED |
| HUB OUTSIDE DIAMETER | 5.125 INCHES NOMINAL BOTH ENDS |
| MATERIAL DOCUMENT AND CLASSIFICATION | AISI 4140 ASSN STD SINGLE MATERIAL RESPONSE |
| PITCH DIAMETER | 14.350 INCHES NOMINAL |
| MATERIAL | STEEL COMP 4140 |
| OUTSIDE DIAMETER | 15.170 INCHES NOMINAL |
| OVERALL LENGTH | 1.125 INCHES NOMINAL |
| PROTRUDING HUB CHARACTERISTIC | PLAIN |
| SPLINE MINOR DIAMETER | 3.875 INCHES NOMINAL |
| SPLINE PITCH DIAMETER | 4.000 INCHES NOMINAL |
| SPLINE PRESSURE ANGLE IN DEG | 30.0 |
| SPLINE QUANTITY | 32 |
| SPLINE LENGTH | 1.125 INCHES NOMINAL |
| SPLINE MAJOR DIAMETER | 4.125 INCHES NOMINAL |
| STYLE DESIGNATOR | PLAIN |
| TEETH QUANTITY PER ROW | 30 |
| TEETH ROW QUANTITY | 1 |
| TOOTH PITCH | 1.500 INCHES NOMINAL |