At One Click Purchasing, we are your reliable source for the NSN part 5231-0040 manufactured by F M Brick Industries Inc. We carry a wide range of popular NSN items on our website, including Seal Plain like part number 5231-0040 which is listed with the NSN 5330014108444 for easy identification. If you are interested in 5231-0040 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.