At One Click Purchasing, we are your reliable source for the NSN part B5543 manufactured by Harken Incorporated. We carry a wide range of popular NSN items on our website, including Washer Flat like part number B5543 which is listed with the NSN 5310015470508 for easy identification. If you are interested in B5543 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.