At One Click Purchasing, we are your reliable source for the NSN part 542439 manufactured by Peerless Screw Products Corporation. We carry a wide range of popular NSN items on our website, including Push Rod Valve like part number 542439 which is listed with the NSN 2915009188899 for easy identification. If you are interested in 542439 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.