At One Click Purchasing, we are your reliable source for the NSN part 520040 manufactured by Sea Dog Line. We carry a wide range of popular NSN items on our website, including Plug Bronze like part number 520040 which is listed with the NSN 4730015056585 for easy identification. If you are interested in 520040 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.