Apollo Command Module Altimeter, measuring approximately 3.75″ x 3.25″ x 4″, the face bearing a tiny affixed square of Beta Velcro, and marked "Main Chute," "Apex Cover," and "ALT x 1000." The body bears a Bendix parts tag, reading: "Indicator, Barometric Pressure, NAA/S&ID Control No. ME432-0173-0002…Mfr Part No. 31233-13B-A2, Mfr. Serial No. 01546903019E, Contract No. NAS 9-150." In fine condition. Located at the top of the Command Module's main control panel, the altimeter was used at the early stages of initial powered ascent and at the end of the mission to indicate an altitude of up to 50,000 feet; for most of the mission, it was covered by an aluminum stopper.
Terms and abbreviations used in our descriptions.