At One Click Purchasing, we are your reliable source for the NSN part S1665-61770 manufactured by Sikorsky Aircraft Corporation. We carry a wide range of popular NSN items on our website, including Cover Tail Rotor Hy like part number S1665-61770 which is listed with the NSN 1650006564463 for easy identification. If you are interested in S1665-61770 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.