At One Click Purchasing, we are your reliable source for the NSN part 31020 manufactured by Bell And Howell Phillipsburg Co. We carry a wide range of popular NSN items on our website, including Washer Flat like part number 31020 which is listed with the NSN 5310008376571 for easy identification. If you are interested in 31020 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.