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

MBU-12/P USAF jet pilot oxygen mask. US Air Force issue. Grey latex mask and green hose. 1999 made by SCOTT, size LONG. 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. The masks from this era are often found with a different colored hose due to early deterioration of the grey ones following a manufacturing defect. Perfect match for a HGU-55 helmet.