At One Click Purchasing, we are your reliable source for the NSN part B2021 manufactured by Eaton Aerospace Ltd. We carry a wide range of popular NSN items on our website, including Gasket like part number B2021 which is listed with the NSN 5330002023665 for easy identification. If you are interested in B2021 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.