At One Click Purchasing, we are your reliable source for the NSN part B-109143 manufactured by Clevite An Imperial Clevite Co. We carry a wide range of popular NSN items on our website, including Ring Seal Carbon like part number B-109143 which is listed with the NSN 5365010137930 for easy identification. If you are interested in B-109143 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.