"STEEL 17-4PH COMPOSITION 1 CONDITION AC,4.620 IN. LG,2.580 IN. W,1ST END DATA,1.120 IN. OD,INTERIOR SPLINE DATA,0.875 IN. NOMINAL DIA,30.0 DEG INVOLUTE,27 TEETH,0.500 IN. DIAMETRAL PITCH,0.8438 IN. PITCH DIA,2ND END DATA,0.623 IN. MIN,0.624 IN. MAX OD"