At One Click Purchasing, we are your reliable source for the NSN part T3A421R manufactured by Cts Electronic Components Inc. We carry a wide range of popular NSN items on our website, including Shield Electron Tub like part number T3A421R which is listed with the NSN 5960008181423 for easy identification. If you are interested in T3A421R 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.