Apollo S-IVB (Saturn V 3rd stage) Hydraulic System stainless steel hose, measuring 28″ long, retaining the original yellow parts tag, reading: “For Use in Saturn Hydraulic System, Processed to IP00068, Open only in clean room or just prior to installation. Part No. 1B63072-1 B, Part Name Hose Assembly, Serial No. 07380H700008, Cleaning date Aug 24 1966, Mar 20 1969.” A steel manufacturer’s tag from Resistoflex rating the hose for 1000 PSI. Unused condition with orange triangular paper seals marked with McDonnell and Douglas “D” ink stamps. Creasing to parts tag and light soiling, otherwise fine condition. The hydraulic system provided high pressure to gimbal the stage’s single J-2 engine to allow for flight altitude correction.
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