LM Switches
  • Control panel toggle switches from the Lunar Module.
  • Three switches at left are lever lock switches. The lever must be pulled to move the switch. Only the left-most switch has a switch tip or cap installed.
  • The other two lever lock switches, and the two standard lever switches, do not have tips installed.
  • Flight ready switch tips were made with radioluminescent material encapsulated inside a clear plastic.
  • The tips radiated a small amount of light, and created a small radiation hazard. Because of the radiation hazard the tips were installed late in the assembly sequence.
  • Beta cloth bag at right (in photo below) was placed behind the switch at installation to protect the rubber at each wire connection to prevent a fire such as in the Apollo 1 accident.
  • Command Module designers solved the fire hazard problem using a coating on the wires. See Panel 276.

Also see:

Command Module wiring example: Panel 276.

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Smallest switch assembly shown:

0.13 lbs. (0.059 kg)

Largest switch assembly shown:

0.28 lbs. (0.18 kg)

Optical Sight (COAS)
Surface Sensing Probe
ECS Relay Box
LM Switches
LM Tracking Light
LM LiOH Canister
Water Pressure Reg
RCS Plume Deflector
Suit Connector
Signal Strength Meter
LM Hasselblad Pouch
LM Film Mag Pouch
LM RCS Heater
Waste Fluid Bag
Boicide Wipe
ASA Cold Plate
Landing Gear Spring
Armrest Damper
LM Articulated Bellows
Water Shutoff Valve
Explosive Valve
LM Propellant Port
Interstage Disconnect
Manifold Coupling
Water Couplings
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