At One Click Purchasing, we are your reliable source for the NSN part 377189 manufactured by Service And Sales Inc. We carry a wide range of popular NSN items on our website, including Switch like part number 377189 which is listed with the NSN 2920004842173 for easy identification. If you are interested in 377189 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.