US AIR FORCE Jet Pilot Green MBU-12/P Oxygen Mask

MBU-12/P USAF jet pilot oxygen mask. US Air Force issue. Green latex mask and hose. 1984 made by GENTEX, size REGULAR. Complete with "J" bayonet fasteners, USAF specs cable with U-74/U jack and U-173/U plug to connect  mask's microphone to HGU-55's side connection. Green latex MBU-12/P produced from the end of the 70's to the mid-80's (replaced by the grey latex ones from 1986 on) are now difficult to find.