At One Click Purchasing, we are your reliable source for the NSN part 8021 manufactured by Federal Screw Products Inc. We carry a wide range of popular NSN items on our website, including Nut Plain Square like part number 8021 which is listed with the NSN 5310009824936 for easy identification. If you are interested in 8021 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.