At One Click Purchasing, we are your reliable source for the NSN part P39-401 manufactured by Circor Aerospace Inc. We carry a wide range of popular NSN items on our website, including Valve Safety Relief like part number P39-401 which is listed with the NSN 4820015218142 for easy identification. If you are interested in P39-401 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.