At One Click Purchasing, we are your reliable source for the NSN part A3978 manufactured by Morse Industrial Corp. We carry a wide range of popular NSN items on our website, including Shaft Output like part number A3978 which is listed with the NSN 3040008575140 for easy identification. If you are interested in A3978 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.