At One Click Purchasing, we are your reliable source for the NSN part R405B manufactured by Advanced Testing Technologies. We carry a wide range of popular NSN items on our website, including Test Station Radio like part number R405B which is listed with the NSN 4920014464118 for easy identification. If you are interested in R405B 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.