All edges and corners shall be free of burs;finish: glass bead peen blast iaw mil-std-852, copper plate iaw mil-c-14550, class4, electroless nickel plate iaw mil-c-26074, class 4, rade b;all fillet radii shown as sharp edges shall be .015 in max; workmanship in accordance with mil-hdbk-454, guideline9;armored reconnaisance-airborne assa.