At One Click Purchasing, we are your reliable source for the NSN part 21939 manufactured by International Light Metals Corp. We carry a wide range of popular NSN items on our website, including Beam Structural like part number 21939 which is listed with the NSN 9540010711354 for easy identification. If you are interested in 21939 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.