At One Click Purchasing, we are your reliable source for the NSN part AR503 manufactured by Argonne Electronics Mfg Corp. We carry a wide range of popular NSN items on our website, including Transformer Audio F like part number AR503 which is listed with the NSN 5950009834999 for easy identification. If you are interested in AR503 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.