At One Click Purchasing, we are your reliable source for the NSN part 21221-1002 manufactured by Dover Engineered Systems Inc. We carry a wide range of popular NSN items on our website, including Shaft Shouldered like part number 21221-1002 which is listed with the NSN 3040014165959 for easy identification. If you are interested in 21221-1002 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.