At One Click Purchasing, we are your reliable source for the NSN part C21-5003 manufactured by Andrea Systems Llc. We carry a wide range of popular NSN items on our website, including Screw Shoulder like part number C21-5003 which is listed with the NSN 5305008937318 for easy identification. If you are interested in C21-5003 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.