At One Click Purchasing, we are your reliable source for the NSN part 21042 manufactured by Itt Marlow. We carry a wide range of popular NSN items on our website, including Nut Impeller like part number 21042 which is listed with the NSN 5310009692887 for easy identification. If you are interested in 21042 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.