Large Apollo Saturn V Third-Stage valve manufactured by Ametek/Calmec, 11.75″ x 9″ x 4″, with side-by-side valves bearing George C. Marshall Space Flight Center parts labels, with differing serial numbers and dates: "2178…2/70" and "2285…10/69." Includes a smaller Saturn V Third-Stage valve manufactured by Sterer, measuring 4″ in length, with parts label reading: "Valve Check, Pneumatic, P/N 36830, Assy Date: 11-68, S/N 227, DAC Spec: 1B67598-501, Contract No. NAS7-101." In overall very good to fine condition, with expected wear from use.
