At One Click Purchasing, we are your reliable source for the NSN part MC17989 manufactured by Eaton Aerospace. We carry a wide range of popular NSN items on our website, including Valve Thermal Relie like part number MC17989 which is listed with the NSN 1680015478410 for easy identification. If you are interested in MC17989 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.