Material: aluminum alloy 2024 temper 0; 1.421 in. Nom lg; 0.906 in. Nom w; 0.020 in. Nom thk; one 0.250 in. Square opening; 2 0.090 in. By 0.125 in. Nom mtg holes; curved to 0.700 in. Inside radius beginning 0.688 in. From lower end; 60 degree angle; outside surface treatment: primer color y per mil-p-8585 and topcoat color white no. 27875 per fed-std-595 baked on