At One Click Purchasing, we are your reliable source for the NSN part 56SE manufactured by A D Data Systems Inc. We carry a wide range of popular NSN items on our website, including Circuit Card Assemb like part number 56SE which is listed with the NSN 5998011701521 for easy identification. If you are interested in 56SE 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.