At One Click Purchasing, we are your reliable source for the NSN part PC421 manufactured by Krohn Hite Corporation. We carry a wide range of popular NSN items on our website, including Circuit Card Assemb like part number PC421 which is listed with the NSN 5998013745373 for easy identification. If you are interested in PC421 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.