Atlas Rocket Regulator Assembly designed to pressurize the Mercury Atlas launch vehicle's highly refined liquid kerosene fuel tank with helium gas. The assembly measures 17" x 9.5" x 10", weighs 18 pounds, bears an affixed "Project Mercury Convair Astronautics" label stamp-dated to September 20, 1961, a pair of orange "Compressed Gas" warning labels, and two B. H. Hadley, Inc. metal manufacturing plates, which read: "Valve Assembly-Fuel, Pressure Rating 62.5 P.S.I.G., Convair Spec No. 27-08104-3, Convair Ser No. 109-0316, Hadley Part No. 10526-5, Order No. AF04-647-699, Serial No. 383" and "Regulator-Helium Press. Fuel Tank. Missileborne, OPR Press 3000 P.S.I.G. Inlet, 60 P.S.I.G. Outlet, Convair Spec. No. 27-08102 & Part No. 27-08102-17, Convair Assy No. 27-08246-11 & Ser No. 912-0284, Contract No. AF04-647-299, U.S., B. H. Hadley Part No. 10705-21 & Ser No. 105, B. H. Hadley Assy No. 10705-7." The piece bears several "BHH" stamps, a rubber cure date of "3 59," and the white connecting base is stamped "P27-80203-15."
