An Apollo Saturn V Third-Stage Valve manufactured by Fairchild Hiller and Stratos-Western, measuring 6.75″ x 7.75″ x 4″, with George C. Marshall parts label reading: "Valve, Shut-off, Chill System, Assy No. 64-400-09, DAC Spec: 1A49965-535 AV, Contr. No. NAS7-101, Mod. No. 7643-09, Ser. No. H0509, Date: 12 70." Upper platform stamped with part numbers: "64-476-905-D, IP-094-A, 66-029-A." In very good to fine condition, with expected wear from use.