At One Click Purchasing, we are your reliable source for the NSN part 663399-1-75 manufactured by Allied Signal Inc. We carry a wide range of popular NSN items on our website, including Filter Element like part number 663399-1-75 which is listed with the NSN 2995000161006 for easy identification. If you are interested in 663399-1-75 item, then take the advantage of our online RFQ service, or peruse our website as you see fit to find other items of interest that you may wish to learn more about.