At One Click Purchasing, we are your reliable source for the NSN part CB40-4 manufactured by Vanseal Corporation. We carry a wide range of popular NSN items on our website, including Seal Plain Encased like part number CB40-4 which is listed with the NSN 5330007578128 for easy identification. If you are interested in CB40-4 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.