Item Description
Original Items: Only One Available. This is an excellent condition 1957-1959 U.S. Air Force size large Gentex P-4A flight helmet that comes complete with its pull down spring loaded tint visor. This helmet does have the plug on the left side for the mask microphone, however the rest of the avionics package was either removed, or never installed. Based on the glue residue near the "pigtail" hole, which is now plugged, this helmet was refurbished post service, had the avionics removed, and has a new P4-B size large liner installed.
This is probably when the very attractive red paint job was applied, with a black checkerboard on the top, and "Black Widow" spiders on either side. It really was very nicely done, and makes this a VERY attractive helmet for display or maybe even use, though not as a flight helmet.
The USAF P-4 flight helmet was standardized in 1955 as a continuation of P-3 with improved avionics in order to make helmet headset communications and oxygen mask dynamic microphone compatible with aircraft intercommunication set AN AIC-10. the new H-75/AIC headset system was added as well as a new earphone cushions spring mounted and tethered to short nylon strings which protruded through the lateral helmet walls to be secured over a rubber over a rubber lock-nut and snubber bar. The P-4 was used with A-13A/MS22001 A-14 oxygen mask. The P-4A standardized in 1957 has a new visor mechanism that replace the side latching design with a tracked visor securing system actuated by grasping a central rubber knob and pulling the visor down into position. The newly assembled P-4A helmets made use of the new fiberglass shell material that replaced the earlier phenolic resin and molded cotton duck material.
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