At One Click Purchasing, we are your reliable source for the NSN part 4477-A1 manufactured by Claverham Ltd. We carry a wide range of popular NSN items on our website, including Datum Washers like part number 4477-A1 which is listed with the NSN 5220997791567 for easy identification. If you are interested in 4477-A1 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.