At One Click Purchasing, we are your reliable source for the NSN part JDA121BG manufactured by Eaton Aerospace Ltd. We carry a wide range of popular NSN items on our website, including O Ring like part number JDA121BG which is listed with the NSN 5331000031657 for easy identification. If you are interested in JDA121BG 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.