"STEEL,CADMIUM PLATE TY 1 CL 1 AND CL 2 CHROMIUM PLATE CL A,8.230 IN. O/A LG,7.830 IN O/A W,3.140 IN. O/A H;AS NOTED MACHINED SURFACES 32.0 AND 125.0 MICROINCH FINISH,SHOTPEEN,HEAT TREAT 280000 TO 300000,DIAMETERS ON SAME AXIS CONCENTRIC WITHIN 0.010 IN. DIA"