At One Click Purchasing, we are your reliable source for the NSN part 18540 manufactured by L 3 Communications Westwood. We carry a wide range of popular NSN items on our website, including Relay Solid State like part number 18540 which is listed with the NSN 5945015106901 for easy identification. If you are interested in 18540 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.