At One Click Purchasing, we are your reliable source for the NSN part 31223559 manufactured by Hammer And Steel Inc. We carry a wide range of popular NSN items on our website, including O Ring like part number 31223559 which is listed with the NSN 5331016171382 for easy identification. If you are interested in 31223559 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.