Saturn V SI-C First Stage Pressure Switch from Boeing. Calibrated pressure switch, serial no. 0001065 and NASA contract no. 8-5608, measures 4.5″ long has Boeing markings for the Saturn V first stage. Switch comes with its original two-layer plastic bag packaging intact (the outer bag, complete with Boeing seals dated December 1967, was previously opened for inspection; switch remains sealed in its the inner bag. In fine condition. SI-C parts are uncommon as they were only used on the Saturn V. RR Auction COA.
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