At One Click Purchasing, we are your reliable source for the NSN part RD-4-5990 manufactured by Red Dot Corporation. We carry a wide range of popular NSN items on our website, including Heat Interchanger R like part number RD-4-5990 which is listed with the NSN 4130015917775 for easy identification. If you are interested in RD-4-5990 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.