At One Click Purchasing, we are your reliable source for the NSN part 21668-1 manufactured by Hamilton Sundstrand Corporation. We carry a wide range of popular NSN items on our website, including Parts Kit like part number 21668-1 which is listed with the NSN 1610004944571 for easy identification. If you are interested in 21668-1 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.