At One Click Purchasing, we are your reliable source for the NSN part B556 manufactured by Avionics Inc. We carry a wide range of popular NSN items on our website, including Switch Rotary like part number B556 which is listed with the NSN 5930005386670 for easy identification. If you are interested in B556 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.