At One Click Purchasing, we are your reliable source for the NSN part C6840 manufactured by Mcclain Tool Co. We carry a wide range of popular NSN items on our website, including Flange Oil Cooler I like part number C6840 which is listed with the NSN 1560003460486 for easy identification. If you are interested in C6840 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.