At One Click Purchasing, we are your reliable source for the NSN part A639 manufactured by Cunningham Corp. We carry a wide range of popular NSN items on our website, including Semiconductor Devic like part number A639 which is listed with the NSN 5961004653182 for easy identification. If you are interested in A639 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.