At One Click Purchasing, we are your reliable source for the NSN part 902390 manufactured by Undersea Sensor Systems Inc. We carry a wide range of popular NSN items on our website, including Sonobuoy like part number 902390 which is listed with the NSN 5845014561317 for easy identification. If you are interested in 902390 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.