Authentic Military USAF HGU 55/P Flight Helmet size large with Oxygen Mask, vintage 1990’s. Comes with communication cord and earphones, two additional visors and visor cover. I’ll throw in a couple helmet liners. There are some wear marks on the leather and the chin and nape straps show that the helmet has been worn. The item “Authentic Military USAF HGU 55/P Flight Helmet with Oxygen Mask” is in sale since Monday, June 8, 2020. This item is in the category “Collectibles\Militaria\Surplus\Hats & Helmets”. The seller is “vanderdan” and is located in Denver, Colorado. This item can be shipped to United States.