Material,brass casting class 2 spec mil-b-15894/alternate,brass 1/2 hard comp 24 spec qq-b-613;final protective finish,finish 4.1,finish 4.10,cast surfaces to be system 21.3 of mil-std-171,primer and topcoat baked color olive drab no.24087 of fed-std-595;o/a lg,3 in.Nom;o/a w,1-3/32 in.Nom;o/a thk,0.312 in.Nom