At One Click Purchasing, we are your reliable source for the NSN part JBK521 manufactured by Drs Consolidated Controls Inc. We carry a wide range of popular NSN items on our website, including Sleeve Outer like part number JBK521 which is listed with the NSN 3120012350345 for easy identification. If you are interested in JBK521 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.