At One Click Purchasing, we are your reliable source for the NSN part 1631731 manufactured by Crysteel Manufacturing Inc. We carry a wide range of popular NSN items on our website, including Tube Metallic like part number 1631731 which is listed with the NSN 4710014975644 for easy identification. If you are interested in 1631731 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.