At One Click Purchasing, we are your reliable source for the NSN part 20621 manufactured by Cummins Inc. We carry a wide range of popular NSN items on our website, including Head Fluid Filter like part number 20621 which is listed with the NSN 2940003775182 for easy identification. If you are interested in 20621 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.