At One Click Purchasing, we are your reliable source for the NSN part B-6522 manufactured by Morland Valve Co Inc. We carry a wide range of popular NSN items on our website, including Seat Valve like part number B-6522 which is listed with the NSN 4820013687576 for easy identification. If you are interested in B-6522 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.