At One Click Purchasing, we are your reliable source for the NSN part 31000 -A manufactured by Smith A O Water Products Corp. We carry a wide range of popular NSN items on our website, including Switch Thermostatic like part number 31000 -A which is listed with the NSN 5930013116362 for easy identification. If you are interested in 31000 -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.