At One Click Purchasing, we are your reliable source for the NSN part DF-1S manufactured by Pyrotronics Inc. We carry a wide range of popular NSN items on our website, including Flame Detector Heater like part number DF-1S which is listed with the NSN 2540014182965 for easy identification. If you are interested in DF-1S 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.