At One Click Purchasing, we are your reliable source for the NSN part 55-0412 manufactured by Sweeney Engineering Corp. We carry a wide range of popular NSN items on our website, including Flange Valve like part number 55-0412 which is listed with the NSN 4820000035557 for easy identification. If you are interested in 55-0412 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.