At One Click Purchasing, we are your reliable source for the NSN part 639000A manufactured by Master Pneumatic Detroit Inc. We carry a wide range of popular NSN items on our website, including Ring Wiper like part number 639000A which is listed with the NSN 5330010121960 for easy identification. If you are interested in 639000A 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.