At One Click Purchasing, we are your reliable source for the NSN part 218939 manufactured by Eaton Aerospace Ltd. We carry a wide range of popular NSN items on our website, including Cylinder Block Unit like part number 218939 which is listed with the NSN 1650007856735 for easy identification. If you are interested in 218939 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.