At One Click Purchasing, we are your reliable source for the NSN part 518493-1 manufactured by Raytheon Company. We carry a wide range of popular NSN items on our website, including Block Spacer like part number 518493-1 which is listed with the NSN 5342013156187 for easy identification. If you are interested in 518493-1 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.