At One Click Purchasing, we are your reliable source for the NSN part B5-50 manufactured by Schneider Electric Usa Inc. We carry a wide range of popular NSN items on our website, including Heater Thermal Rele like part number B5-50 which is listed with the NSN 5999004335420 for easy identification. If you are interested in B5-50 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.