At One Click Purchasing, we are your reliable source for the NSN part 40640 manufactured by Honeywell International Inc. We carry a wide range of popular NSN items on our website, including Shaft Gear Worm And like part number 40640 which is listed with the NSN 1680006703138 for easy identification. If you are interested in 40640 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.