At One Click Purchasing, we are your reliable source for the NSN part 103B manufactured by Ohio Brass Co. We carry a wide range of popular NSN items on our website, including Valve Check like part number 103B which is listed with the NSN 4820009193075 for easy identification. If you are interested in 103B 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.