Hgu-22/p with mbu-5/p mask. Size medium, around 1976. T type bayos, cloth mask cord. All complete, earphone, wiring, etc. Visor fair, will not lock up, hard to totally seat visor in down postion. All straps good, interior pads are starting to disentergrate, or are gone. The item “Usaf hgu-22 flight helmet withmbu-5 oxygen mask” is in sale since Sunday, June 19, 2016. This item is in the category “Collectibles\Militaria\Vietnam (1961-75)\Original Period Items\Hats & Helmets”. The seller is “ahgearup” and is located in Aurora, Colorado. This item can be shipped to United States.