Apollo Command Module (Block II) Gimbal Position and Fuel Pressure Indicator and Control Box, measuring 4.25″ x 6″ x 5.25″, with a Honeywell tag on the top, reading: "Indicator, Gimbal Position and Fuel Pressure, Mfg by Honeywell, Mfr. Part No. JG261G1, NAA/S & ID Control No. ME432-0167-002, Contract No. M5J7XAZ-450012A, Mfr Serial No. 10028DAJ1004, Mfr Date 25 Aug 1966." A modification tag above reads: "NAA/S & ID Cont No. ME432-0167-0402, Mfr Part No. JG261G5, Contract No. M7J7XAF-205017A, Kit Serial No. 10028DAJ1004, Accep Date 3 May 68." The indicators show pressure in the fuel tank of the second stage (S-II) and pressure in oxidizer and fuel tanks of the third stage (S-IVB) on the left, center, and right scales, or position of service propulsion engine pitch and yaw gimbals on the other two scales. Below, the SPS gimbal thumbwheels are used to set the position of service propulsion engine pitch and yaw gimbals in SCS mode. In fine condition, with the rear electrical connectors severed.
Terms and abbreviations used in our descriptions.