Saturn pneumatic solenoid valve measuring approximately 4″ x 3.75.″ A George C. Marshall Space Flight Center label is affixed to the upper portion of the valve, and is labeled, “3 Way, 2 Position Solenoid Valve…Serial No. 605,” with several inspectors stamps to upper portion and a Marotta Valve Corp. label affixed to the lower portion. A small bright orange “Critical to Manned Flight” label is affixed near one of the openings. Accompanied by its cleaning certification, filled out in a technician’s hand, with several stamps dating from 1969–1970. In fine condition. RR Auction COA.