Saturn ground support equipment (GSE) regulator valve designed for ground support, measuring approximately 7.5″ tall, with a diameter of approximately 5″, and weighing 11.6 pounds. An affixed Marotta Valve Corporation label identifies the part as, “Model RV23SK Regulator Valve…Serial No. 123,” with two stamps above the label, one reading, “Assy. 1Q, 72.” In fine condition. RR Auction COA.