At One Click Purchasing, we are your reliable source for the NSN part 101-749-1B manufactured by Automatic Switch Company. We carry a wide range of popular NSN items on our website, including Parts Kit Check Val like part number 101-749-1B which is listed with the NSN 4820010653269 for easy identification. If you are interested in 101-749-1B 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.