At One Click Purchasing, we are your reliable source for the NSN part 543-431 manufactured by Profile Gear Inc. We carry a wide range of popular NSN items on our website, including Gear Spur like part number 543-431 which is listed with the NSN 3020004253904 for easy identification. If you are interested in 543-431 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.