At One Click Purchasing, we are your reliable source for the NSN part 590439-1 manufactured by Allied Signal Inc. We carry a wide range of popular NSN items on our website, including Parts Kit Actuator like part number 590439-1 which is listed with the NSN 1680007900323 for easy identification. If you are interested in 590439-1 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.