At One Click Purchasing, we are your reliable source for the NSN part 10042-A manufactured by Allegheny Valve Co. We carry a wide range of popular NSN items on our website, including Nut Plain Octagon like part number 10042-A which is listed with the NSN 5310011031041 for easy identification. If you are interested in 10042-A 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.