At One Click Purchasing, we are your reliable source for the NSN part HR9640 manufactured by Ecolaire Inc. We carry a wide range of popular NSN items on our website, including Valve Plug like part number HR9640 which is listed with the NSN 4820003440710 for easy identification. If you are interested in HR9640 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.