At One Click Purchasing, we are your reliable source for the NSN part B4P-4M manufactured by Nupro Inc. We carry a wide range of popular NSN items on our website, including Valve Bleeder Hydra like part number B4P-4M which is listed with the NSN 4820001728792 for easy identification. If you are interested in B4P-4M 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.