At One Click Purchasing, we are your reliable source for the NSN part 31E1 manufactured by Humphrey Products Co. We carry a wide range of popular NSN items on our website, including Valve Solenoid like part number 31E1 which is listed with the NSN 4810013594842 for easy identification. If you are interested in 31E1 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.