At One Click Purchasing, we are your reliable source for the NSN part S20040A manufactured by Allegheny Valve Co. We carry a wide range of popular NSN items on our website, including Stud Plain like part number S20040A which is listed with the NSN 5307010853149 for easy identification. If you are interested in S20040A 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.