Original U.S. Early Vietnam War Air Force P Series Flying Helmet with Sierra Pilot Suspension Oxygen Mask Category_Snider Rifle Accessories very good or better

very good or better

Small buckles were provided to adjust the suspension

The inside front cover features a Marine Devil Dog insignia

so it is very similar to the standard commercial issue

and hardtack

Original U.S. Early Vietnam War Air Force P Series Flying Helmet with Sierra Pilot Suspension Oxygen Mask Category_Snider Rifle Accessories very good or betterOriginal Item: Only One Available. As seen in the permanent collection of the Smithsonian National Air and Space Museum which can be found at this link. Similar helmets were officially designated; Helmet, Flying, Protective, Type P 1A, United States Air Force. We actually aspect sure which model P Series helmet this is, but it certainly confirms to many of the aspects. The P 1 was the first type of hard helmet mass produced for standard issue to the