At One Click Purchasing, we are your reliable source for the NSN part 640S2311 manufactured by Astronics Test Systems Inc. We carry a wide range of popular NSN items on our website, including Probe Waveguide like part number 640S2311 which is listed with the NSN 5985010113864 for easy identification. If you are interested in 640S2311 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.