Gentex HGU-22/P Single Visor USAF Pilot Flight Helmet, Nice Project Helmet This is a 1970's era Gentex HGU-22/P single visor USAF pilot's flight helmet. It is a nice clean shell to build up and it has the visor tracks, visor housing and oxygen mask bayonet receivers. It has the styrofoam liner inside, but is missing the pads, earphones, visor and visor knob. The tag is faded out so it is unreadable, but I believe it is a Size Large.The item "Gentex HGU-22/P Single Visor USAF Pilot Flight Helmet, Nice Project Helmet" is in sale since Tuesday, March 17, 2020. This item is in the category "Collectibles\Militaria\Vietnam (1961-75)\Original Period Items\Hats & Helmets". The seller is "wdw4av8" and is located in Tucson, Arizona. This item can be shipped worldwide.