Owned and operated by ASAP Semiconductor, ASAP NSN Parts is your new one-stop-shop for all your adapter cup NSN parts and components related needs. Our goal is to make the parts purchasing process as simple as possible. With us, you can find adapter cup with NSN 3431-00-791-5991, 4940-01-135-9260 and manufactured by L Tec Welding And Cutting Systems, Spx Corporation, Union Carbide Corp at some of the most competitive prices in the market. Just fill out and submit an RFQ to get started on a quick and competitive quote.