At One Click Purchasing, we are your reliable source for the NSN part 521072-138 manufactured by Advanced Electronics Design Inc. We carry a wide range of popular NSN items on our website, including Microcircuit Digita like part number 521072-138 which is listed with the NSN 5962010500918 for easy identification. If you are interested in 521072-138 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.