Pump, Sea Water, Apollo 11


Display Status:

This object is not on display at the National Air and Space Museum. It is either on loan or in storage.

Collection Item Summary:

The sea water pump is used for pumping salt water into the command module for desalting and drinking after splash down in the event the CM drinking water system failed and reserved stores of potable water became depleted. The sea water pump is stowed in a beta cloth container in a locker on the aft bulkhead. The pump consists of an intake hose, a guide fitting, a bellows pump with one way valves, and a discharge hose.

This pump was flown on the Command Module Columbia during the Apollo 11 mission. Unused, it was transferred to the Smithsonian in 1970.

Collection Item Long Description:

Inventory Number


Credit Line

Transferred from NASA

Country of Origin

United States of America


  • Rubber
  • Steel
  • Plastic
  • Aluminum
  • Brass
  • Adhesive
  • Ink


3-D: 342.9 x 8.3 x 3.8cm (11 ft. 3 in. x 3 1/4 in. x 1 1/2 in.)

Data Source

National Air and Space Museum

Restrictions & Rights

Do not reproduce without permission from the Smithsonian Institution, National Air and Space Museum