At One Click Purchasing, we are your reliable source for the NSN part 1631-B manufactured by Stewart Warner Alemite Corp. We carry a wide range of popular NSN items on our website, including Fitting Lubrication like part number 1631-B which is listed with the NSN 4730013148719 for easy identification. If you are interested in 1631-B 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.