"FCARBON STEEL,COMP 1065 THRU 1085 SPEC QQ-S-777,HARDNESS ROCKWELL B 85 MINIMUM,7.920 IN. OUTTER DIA,5.427 IN.DIA INNER,0.124 IN. W,SUNBURST GROOVE 68 RIGHT HAND AND 68 LEFT HAND GROOVESEQUALLY SPACED AS SHOWN BOTH SIDES,SPLINE DATA 0.750 PITCH,34 TEETH,20 DEGREE PRESSURE ANGLE,PITCH DIA 5.666 IN.,FILLET 0.025 IN. RADIUS MIN,RADII DIA 5.987 IN.,T 1 D EQUALS 5.917 IN.,0.261 IN. MIN ARC SPACE WIDTH AT PITCHL,5.282 IN. MAXIMUM BETWEEN 2 0.288 IN. DIA PINS"