At One Click Purchasing, we are your reliable source for the NSN part 521-11398 manufactured by Canberra Industries Inc. We carry a wide range of popular NSN items on our website, including Gasket like part number 521-11398 which is listed with the NSN 5330011635614 for easy identification. If you are interested in 521-11398 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.