At One Click Purchasing, we are your reliable source for the NSN part RS40 manufactured by Union Chain. We carry a wide range of popular NSN items on our website, including Link Roller Chain like part number RS40 which is listed with the NSN 3020002398237 for easy identification. If you are interested in RS40 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.