At One Click Purchasing, we are your reliable source for the NSN part BB21743 manufactured by Diamond Reo Trucks Inc. We carry a wide range of popular NSN items on our website, including Washer Shouldered like part number BB21743 which is listed with the NSN 5310005416513 for easy identification. If you are interested in BB21743 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.