At One Click Purchasing, we are your reliable source for the NSN part 1000X21 manufactured by Easco Hand Tools Inc. We carry a wide range of popular NSN items on our website, including Ring Retaining like part number 1000X21 which is listed with the NSN 5325006821498 for easy identification. If you are interested in 1000X21 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.