Mask, Oxygen, Type A-13A or MS-22001, United States Air Force


Display Status:

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

Data Source

National Air and Space Museum

Restrictions & Rights

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

Credit Line

Transferred from the United States Navy, Naval Air Development Center


  • Overall: Rubber
  • Hose: Nylon Cover
  • Nose Piece: Plastic


  • Overall: 38 x 6 x 5in. (96.5 x 15.2 x 12.7cm)
  • Clothing Size: Large

Country of Origin

United States of America

Physical Description

United States Air Force and Navy Type A-13A or MS-22001 Pressure breathing Oxygen Mask; green rubber face mask with green rubber oxygen hose; sage green hard plastic nose piece; chrome steel bayonet attaching clips; internal microphone with black cord; green nylon staps with button snaps and clips; embossed text on nose "MASK, OXYGEN, PRESSURE BREATHING, MS 22001-6 LARGE SIERRA ENG. CO. PN 520-303"; white stencil text on microphones "SECO P/N 241-16, MS 22056-4, FSN 1660-808-8995, DOWN".


EQUIPMENT-Breathing Devices

Inventory Number


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