At One Click Purchasing, we are your reliable source for the NSN part GB-40978 manufactured by Miba Bearings Us Llc. We carry a wide range of popular NSN items on our website, including Bearing Sleeve like part number GB-40978 which is listed with the NSN 3120007579804 for easy identification. If you are interested in GB-40978 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.