At One Click Purchasing, we are your reliable source for the NSN part EC020139 manufactured by Lifestream Watersystems Inc. We carry a wide range of popular NSN items on our website, including Light Indicator like part number EC020139 which is listed with the NSN 6220016506302 for easy identification. If you are interested in EC020139 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.