At One Click Purchasing, we are your reliable source for the NSN part AT1223 manufactured by Tulsa Screw Products Co Inc. We carry a wide range of popular NSN items on our website, including Shield Expansion like part number AT1223 which is listed with the NSN 5340011245977 for easy identification. If you are interested in AT1223 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.