At One Click Purchasing, we are your reliable source for the NSN part 11740 manufactured by Knappco Corporation. We carry a wide range of popular NSN items on our website, including O Ring like part number 11740 which is listed with the NSN 5331016269996 for easy identification. If you are interested in 11740 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.