At One Click Purchasing, we are your reliable source for the NSN part 42540 manufactured by Tandem Computers Inc. We carry a wide range of popular NSN items on our website, including Circuit Card Assembly like part number 42540 which is listed with the NSN 5998013323813 for easy identification. If you are interested in 42540 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.