At One Click Purchasing, we are your reliable source for the NSN part U3-4B manufactured by Mueller Brass Co. We carry a wide range of popular NSN items on our website, including Adapter Straight Pi like part number U3-4B which is listed with the NSN 4730014985327 for easy identification. If you are interested in U3-4B 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.