At One Click Purchasing, we are your reliable source for the NSN part B121693 manufactured by Schwitzer Engine Components. We carry a wide range of popular NSN items on our website, including Gear Helical like part number B121693 which is listed with the NSN 3020005288648 for easy identification. If you are interested in B121693 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.