Apollo CSM LM Helium Pressure Regulator, measuring 8″ x 5″ x 2.25″, with a wraparound Fairchild Hiller/Stratos tag, reading: "Regulator-Propulsion Subsystem, Stratos PN. 428000-2, TEW PN. C401076-2B, TRW SN 107, Contr. No. K4244-SC, Ser. No. E740107." The pressure regulator has a capped inlet and outlet on opposite sides, and vent ports at the top. In fine condition.
Terms and abbreviations used in our descriptions.