At One Click Purchasing, we are your reliable source for the NSN part HS4143-2 manufactured by Alcoa Global Fasteners Inc. We carry a wide range of popular NSN items on our website, including Nut Self Locking Do like part number HS4143-2 which is listed with the NSN 5310011840356 for easy identification. If you are interested in HS4143-2 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.