{"product_id":"original-cold-war-u-s-air-force-selby-shoe-co-p-4-flying-helmet-with-tinted-visor-usaf-decal-dated-july-1956","title":"Original Cold War U.S. Air Force Selby Shoe Co. P-4 Flying Helmet with Tinted Visor \u0026 USAF Decal - Dated July 1955","description":"\u003cp\u003eOriginal Item: Only One Available. This is a very good condition U.S. Air Force size large Selby Shoe Company P-4A flight helmet that comes complete with internal web liner and pull down spring loaded tint visor. All parts are in very good condition. The original data tag for the lining reads:\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cstrong\u003eSLING ASSEMBLY FOR HELMET\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eFLYING TYPE NO. P-4\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eSIZE LARGE DRWG. NO. 47-D-3185\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eORDER NO. AF 6020\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eTHE SELBY SHOE CO.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe original shell data tag is retained and has an inspection date of July 28th, 1955, making this one of the earliest examples we’ve had! The original chinstrap is retained as well as the power cord for the headphones.\u003c\/p\u003e\n\u003cp\u003eAn outstanding example with heavy service wear, ready for further research and display!\u003c\/p\u003e\n\u003cp\u003eThe 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.\u003cbr\u003e\u003c\/p\u003e","brand":"Original Items","offers":[{"title":"Default Title","offer_id":43480405672005,"sku":"ONJR25AUBM58","price":495.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1524\/1342\/files\/ONJR25AUBM58__03.jpg?v=1756522254","url":"https:\/\/www.ima-usa.com\/products\/original-cold-war-u-s-air-force-selby-shoe-co-p-4-flying-helmet-with-tinted-visor-usaf-decal-dated-july-1956","provider":"International Military Antiques","version":"1.0","type":"link"}