At One Click Purchasing, we are your reliable source for the NSN part B-6291 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-6291 which is listed with the NSN 4820013409009 for easy identification. If you are interested in B-6291 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.