At One Click Purchasing, we are your reliable source for the NSN part N1 4-20SS manufactured by Control Systems Research Inc. We carry a wide range of popular NSN items on our website, including Nut Plain Hexagon like part number N1 4-20SS which is listed with the NSN 5310012177735 for easy identification. If you are interested in N1 4-20SS 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.