At One Click Purchasing, we are your reliable source for the NSN part B-4-A-4RS manufactured by Swagelok Ltd. We carry a wide range of popular NSN items on our website, including Coupling Pipe like part number B-4-A-4RS which is listed with the NSN 4730016648869 for easy identification. If you are interested in B-4-A-4RS 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.