At One Click Purchasing, we are your reliable source for the NSN part 1 3597-165 manufactured by Krupp Mak Co. We carry a wide range of popular NSN items on our website, including O Ring like part number 1 3597-165 which is listed with the NSN 5331013480437 for easy identification. If you are interested in 1 3597-165 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.