At One Click Purchasing, we are your reliable source for the NSN part GA139.004 manufactured by Dresser Rand Company. We carry a wide range of popular NSN items on our website, including Piston Linear Actua like part number GA139.004 which is listed with the NSN 3040011186734 for easy identification. If you are interested in GA139.004 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.