At One Click Purchasing, we are your reliable source for the NSN part 5020-01 manufactured by Avox Systems Inc. We carry a wide range of popular NSN items on our website, including Filler Valve Aircraft Oxygen like part number 5020-01 which is listed with the NSN 1660016657530 for easy identification. If you are interested in 5020-01 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.