At One Click Purchasing, we are your reliable source for the NSN part 400-509-201 manufactured by Dresser Rand Holdings Llc. We carry a wide range of popular NSN items on our website, including Seal Shaft like part number 400-509-201 which is listed with the NSN 5330005747822 for easy identification. If you are interested in 400-509-201 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.