At One Click Purchasing, we are your reliable source for the NSN part 5421 manufactured by Bock Engineered Products Inc. We carry a wide range of popular NSN items on our website, including Solenoid Electrical like part number 5421 which is listed with the NSN 5945011565583 for easy identification. If you are interested in 5421 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.