At One Click Purchasing, we are your reliable source for the NSN part 539-000D4-20 manufactured by Erie Specialty Products Inc. We carry a wide range of popular NSN items on our website, including Capacitor Variable like part number 539-000D4-20 which is listed with the NSN 5910004965587 for easy identification. If you are interested in 539-000D4-20 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.