At One Click Purchasing, we are your reliable source for the NSN part 5566U manufactured by Quick Cable Corporation. We carry a wide range of popular NSN items on our website, including Terminal Lug like part number 5566U which is listed with the NSN 5940012163396 for easy identification. If you are interested in 5566U 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.