Owned and operated by ASAP Semiconductor, ASAP NSN Parts is your new one-stop-shop for all your filter tube NSN parts and components related needs. Our goal is to make the parts purchasing process as simple as possible. With us, you can find filter tube with NSN 4330-00-330-6222, 2940-01-103-3168, 4330-01-221-4350 and manufactured by Carleton Life Support Systems In, Rix Industries, Servomex Company Inc 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.