At One Click Purchasing, we are your reliable source for the NSN part 338-478-501 manufactured by Dresser Rand Holdings Llc. We carry a wide range of popular NSN items on our website, including Pin Piston like part number 338-478-501 which is listed with the NSN 2815009634353 for easy identification. If you are interested in 338-478-501 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.