At One Click Purchasing, we are your reliable source for the NSN part 678B manufactured by Dresser Rand Company. We carry a wide range of popular NSN items on our website, including Coupling Shaft Flex like part number 678B which is listed with the NSN 3010005412803 for easy identification. If you are interested in 678B 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.