At One Click Purchasing, we are your reliable source for the NSN part B40312 manufactured by Eaton Aerospace Ltd. We carry a wide range of popular NSN items on our website, including Ring Retaining like part number B40312 which is listed with the NSN 5325005981178 for easy identification. If you are interested in B40312 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.