At One Click Purchasing, we are your reliable source for the NSN part JB30-40B manufactured by Rogers Brothers Corporation. We carry a wide range of popular NSN items on our website, including Bearing Sleeve like part number JB30-40B which is listed with the NSN 3120003531406 for easy identification. If you are interested in JB30-40B 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.