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This is a spare emergency oxygen mask from the Skylab program. Astronauts aboard Skylab in 1973-1974 had various life support provisions for possible emergencies. In case of smoke or noxious gas inside the space station or a failure of the environmental control system, they could don emergency oxygen masks connected to a temporary oxygen supply. This would give them safe breathing air while they worked on the problem or put on pressure suits to escape in their parked spacecraft.

NASA transferred it to the Smithsonian Institution in 1994.

 Display Status

This object is not on display at the National Air and Space Museum. It is either on loan or in storage.
Object Details
Country of Origin United States of America Type EQUIPMENT-Breathing Devices Manufacturer Sierra Engineering Co.
 Dimensions Overall (Mask): 7 1/2 in. wide x 5 in. deep x 12 in. long (19.05 x 12.7 x 30.48cm)
Overall (Hose): 120 in. long x 1/2 in. diameter (304.8 x 1.27cm)
 Materials plexiglas, polymer, aluminum, stainless steel, rubber
 Inventory Number A19940102000 Credit Line Transferred from the National Aeronautics and Space Administration Data Source National Air and Space Museum Restrictions & Rights Usage conditions apply
For more information, visit the Smithsonians Terms of Use.