At One Click Purchasing, we are your reliable source for the NSN part 4643 manufactured by Ametek Programmable Power Inc. We carry a wide range of popular NSN items on our website, including Oscillator like part number 4643 which is listed with the NSN 5955011357420 for easy identification. If you are interested in 4643 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.