At One Click Purchasing, we are your reliable source for the NSN part 490823 manufactured by Dresser Industries Inc. We carry a wide range of popular NSN items on our website, including Relay Build Up like part number 490823 which is listed with the NSN 5945008664615 for easy identification. If you are interested in 490823 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.