At One Click Purchasing, we are your reliable source for the NSN part 667550 manufactured by Sasco Inc. We carry a wide range of popular NSN items on our website, including Washer Shouldered like part number 667550 which is listed with the NSN 5310007000820 for easy identification. If you are interested in 667550 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.