At One Click Purchasing, we are your reliable source for the NSN part U4155 manufactured by Triumph Thermal Systems Inc. We carry a wide range of popular NSN items on our website, including Spacer Ring like part number U4155 which is listed with the NSN 5365000377209 for easy identification. If you are interested in U4155 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.