At One Click Purchasing, we are your reliable source for the NSN part 85840-1 manufactured by Eaton Corporation. We carry a wide range of popular NSN items on our website, including Valve Butterfly like part number 85840-1 which is listed with the NSN 4820013373891 for easy identification. If you are interested in 85840-1 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.