United States Air Force Type MBU-5/P demand oxygen mask; green rubber mask with green hard plastic covering; flexible rubber hose; internal microphone with black rubber covered patch cord; aluminum bayonet attachment clips with brown nylon adjustable straps; embossed text "1660-794-0869, REGULAR WIDE, HARD SHELL ASS'Y., FACE PIECE, MASK, OXYGEN, MBU-5/P, MIL-M-27274 (USAF) SIZE- REGULAR WIDE, PT. NO. 450-0, FSN 1660-794-0856". Created by Eric Long Date Created 02/01/2022 Source Smithsonian National Air and Space Museum Keywords Aviation; Equipment Rights and Restrictions Not determined
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