At One Click Purchasing, we are your reliable source for the NSN part R12-400 manufactured by Andco Environmental Processes Inc. We carry a wide range of popular NSN items on our website, including Valve Regulating Fl like part number R12-400 which is listed with the NSN 1650013741394 for easy identification. If you are interested in R12-400 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.