At One Click Purchasing, we are your reliable source for the NSN part 18638 manufactured by Versitron Inc. We carry a wide range of popular NSN items on our website, including Extender Card Elect like part number 18638 which is listed with the NSN 5998013454126 for easy identification. If you are interested in 18638 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.