At One Click Purchasing, we are your reliable source for the NSN part 63906 manufactured by Litton Systems Inc. We carry a wide range of popular NSN items on our website, including Coupling Waveguide like part number 63906 which is listed with the NSN 5985006978108 for easy identification. If you are interested in 63906 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.