At One Click Purchasing, we are your reliable source for the NSN part B491 manufactured by Sensor Systems L L C. We carry a wide range of popular NSN items on our website, including Resistor Variable N like part number B491 which is listed with the NSN 5905010076253 for easy identification. If you are interested in B491 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.