At One Click Purchasing, we are your reliable source for the NSN part 21970 manufactured by Crash Rescue Equipment Service. We carry a wide range of popular NSN items on our website, including Coupling Half Quick like part number 21970 which is listed with the NSN 4730015955470 for easy identification. If you are interested in 21970 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.