At One Click Purchasing, we are your reliable source for the NSN part 21045-1 manufactured by Hydra Electric Company. We carry a wide range of popular NSN items on our website, including Switch Pressure like part number 21045-1 which is listed with the NSN 5930011438507 for easy identification. If you are interested in 21045-1 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.