At One Click Purchasing, we are your reliable source for the NSN part 31218596 manufactured by Hammer And Steel Inc. We carry a wide range of popular NSN items on our website, including O Ring like part number 31218596 which is listed with the NSN 5331016171381 for easy identification. If you are interested in 31218596 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.