At One Click Purchasing, we are your reliable source for the NSN part B4027 manufactured by Dante Valve Company Inc. We carry a wide range of popular NSN items on our website, including Guide Valve Stem like part number B4027 which is listed with the NSN 4820014773606 for easy identification. If you are interested in B4027 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.