Wide band 1, narrow band 2; material corrosion resistant steel per mil-s-25043; passivate per mil-std-171; part of p/n 126801; wide band o/a dim. 2.222 in. L, 0.752 in. W, 0.012 in. H; narrow band o/a dim. 1.764 in. L, 0.376 in. W, 0.012 in. H; used on an/avq-26