At One Click Purchasing, we are your reliable source for the NSN part S550A manufactured by St Semicon Inc. We carry a wide range of popular NSN items on our website, including Rectifier Metallic like part number S550A which is listed with the NSN 6130004072954 for easy identification. If you are interested in S550A 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.