"SECOND END EXTERNAL SPLINE DATA: 15 TEETH; 30.0000 PRESSURE ANGLE; 0.973 IN. MAJOR DIA; 0.970 IN. MINOR DIA; COUNTERBORE DIAMETER: FIRST END, 0.620 IN. MINIMUM AND 0.640 IN. MAXIMUM; SECOND END: 0.670 IN. MINIMUM AND 0.680 IN. MAXIMUM; COUNTERBORE DEPTH: FIRST END, 0.150 IN. MINIMUM AND 0.170 IN. MAXIMUM; SECOND END: 0.460 IN. MINIMUM AND 0.463 IN. MAXIMUM; PITCH DIAMETER: BOTH ENDS, 0.406 IN. NOMINAL"