Original U.S. Vietnam War Era HGU-26/P Flight Helmet with Dual Visor and Oxygen Mask New Items The iron metalwork has an

The iron metalwork has an overall dark patina

9 inch barrel

The inside of the cap is lined with a black "service cloth" type material

and evacuating wounded from

303 was used as the RAF and Fleet Air Arm (FAA) primary fixed forward firing aircraft armament before the war

Original U.S. Vietnam War Era HGU-26/P Flight Helmet with Dual Visor and Oxygen Mask New Items The iron metalwork has anOriginal Item. Only One Available. The HGU 26 P request for nomenclature is dated Jan 14, 1970 and is based on the HGU 22 P Helmet Shell. There is no military specification detailing exactly what goes into an HGU 26 P but until the appearance of the single visor HGU 26 P both USAF and manufacturer information was consistent in describing the HGU 26 P as an HGU 22 P helmet shell with a PRU 36 P side actuated double visor. Sierra Corp and Gentex Inc