At One Click Purchasing, we are your reliable source for the NSN part M840 manufactured by Dri Relays Inc. We carry a wide range of popular NSN items on our website, including Relay Electromagnet like part number M840 which is listed with the NSN 5945007782558 for easy identification. If you are interested in M840 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.