7c/o 1 body, steel, comp 4130, 0.125 in. Thk by 6.312 in. Lg by 6.125 in. Wd stock o/a; 1 boss, steel, comp 4130, 0.156 in. Thk by 0.875 in. Lg by 0.875 in. Wd stock o/a; cadmium plate per qq-p-416, type 2, cl 2 o/a; heat treat rockwell c-26 min to c30 max. O/a
