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Item:
ONSV9484

Original U.S. Navy USN 1950s Gentex H-4 Flight Helmet with Boom Mic and Oxygen Mask

Item Description

Original Items: Only One Available. This is a 1956-1964 USN size large Gentex H-4 helmet fitted with a boom microphone. It is paired with an A-13A Oxygen Mask and securing harness.  The Helmet has been camouflage painted green most likely by the original owner, likely to conceal the bright gold finish these helmets are painted with in an effort to conceal himself in the event of being shot down. Helmet features the original USN/USMC Aviator. Suspension is intact within the helmet.

The H-4 features a rigid shell with reinforcing ridges and is constructed of a fiberglass cloth reinforced with epoxy resin. For this model a cloth inner helmet which incorporated the earphones was utilized. This was secured to the rigid shell by "pull the dot" snap fasteners on the cheek flaps and in some cases with additional straps attached to snap fastener in front and in the back of the rigid shell.

The H-4 was equipped with a boom mounted microphone M-6A/UR to be used below 10.000 feet. Above this altitude an A-13A or A-14 or MBU-3/P oxygen mask were used. Black rubber goggles B-8 with modified straps to be attached to snaps placed on the sides of the helmet shell below the adjustment webbing. The H-4 was used by USN and USMC pilots in the middle of the 50s into the early 60s.
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