An Apollo Saturn V Third-Stage Pneumatic Power Control Module manufactured by Vinson Inc., measuring approximately 6″ x 7″ x 6.25″, with upper cylinder bearing an affixed George C. Marshall Space Flight Center parts label, which reads: "Module Pneumatic Power Control, Assy. No. A-62390-521, Dac. Spec. 1A58345-521, F.S.N.: C, Cont. No. NAS 7-101, Ser. No. 1068, Date: 10-68." Opposite cylinder stamped "Tested Per, 1A58345-T11, Dec, 09 1968," and engraved: "Chet Eng. Co., Sepulveda, Calif., Pt. No. 3720-4." In fine condition, with expected wear from use.
Terms and abbreviations used in our descriptions.