At One Click Purchasing, we are your reliable source for the NSN part 49949B manufactured by Griswold Industries Co. We carry a wide range of popular NSN items on our website, including Guide Valve Stem like part number 49949B which is listed with the NSN 4820012261657 for easy identification. If you are interested in 49949B 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.