At One Click Purchasing, we are your reliable source for the NSN part SS4409-040 manufactured by Sikorsky Aircraft Corporation. We carry a wide range of popular NSN items on our website, including Washer Flat like part number SS4409-040 which is listed with the NSN 5310011051860 for easy identification. If you are interested in SS4409-040 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.