Material steel per qq-s-763, class6, type c; optional material steel per qq-s-763, class 6, type a; dim. 2.262 porm 0.005 in. Lg; dim.Largeend 0.244 porm 0.001 in. To a sm end diameter 0.207 to 0.210 in.; 1 hole sm end 0.097 to 0.100 in. Diameter thru