Apollo Command Module Meter 3
  • Service Propulsion System (SPS) Engine Injector Valve indicator.
  • Shows position of  SPS injector valves.
  • Left deflection (as shown) indicates valve closed; right indicates open.
  • Total of four identical indicators used on the Apollo control panel (for monitoring primary and redundant fuel and oxidizer valves).

0.10 lbs. (0.04 kg)

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