At One Click Purchasing, we are your reliable source for the NSN part 1677 manufactured by Curtiss Wright Electro Mechanical. We carry a wide range of popular NSN items on our website, including Seat Valve like part number 1677 which is listed with the NSN 4820004206845 for easy identification. If you are interested in 1677 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.