At One Click Purchasing, we are your reliable source for the NSN part 91.3678.4 manufactured by Ktsdi Llc. We carry a wide range of popular NSN items on our website, including Seal Plain like part number 91.3678.4 which is listed with the NSN 5330016568841 for easy identification. If you are interested in 91.3678.4 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.