At One Click Purchasing, we are your reliable source for the NSN part S640-1 manufactured by Simmonds Precision Products Inc. We carry a wide range of popular NSN items on our website, including Bearing Ball Airfra like part number S640-1 which is listed with the NSN 3110011325032 for easy identification. If you are interested in S640-1 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.