At One Click Purchasing, we are your reliable source for the NSN part B40589 manufactured by Telephone Company Of America. We carry a wide range of popular NSN items on our website, including Switch Lever like part number B40589 which is listed with the NSN 5930002963911 for easy identification. If you are interested in B40589 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.