Space Shuttle Cryogenic Relief Valve, measuring 17.5″ x 8″ x 6.5″, mounted on a 12″ x 8″ board, marked: "V070-454374-001, 03953-090486." The base of the main valve reads: "Valve, Press. Relief, Cryog, H2, Type II CL 2, Parker-Hannifin P/N 5750002-101, MC 284-0440-0002, Mfg Date 11/5/75?SN: 92003 T7463 0001." In fine condition.
