At One Click Purchasing, we are your reliable source for the NSN part 12U1 manufactured by Cooper Industries Inc. We carry a wide range of popular NSN items on our website, including Bearing Half Set Sl like part number 12U1 which is listed with the NSN 3120004521360 for easy identification. If you are interested in 12U1 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.