6zinc base alloy, compositon alloy ag40 or ag41a, qq-z-363, treat per mil-t-12879; 1.750 in. H; 2 openings 0.250 in. Nptf, 0.812 in. Leg lg; 1 opening on one end 1.250 in.-18 unef-3b, 3.188 in. Leg lg; 1 inlet on highheel 0.250 in. Npt, 1.000 in. Leg lg