At One Click Purchasing, we are your reliable source for the NSN part 516648 manufactured by Polytechnic Industries Inc. We carry a wide range of popular NSN items on our website, including Bellows Pressure like part number 516648 which is listed with the NSN 1660005753099 for easy identification. If you are interested in 516648 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.