At One Click Purchasing, we are your reliable source for the NSN part 51-440 manufactured by Stanley Proto Industrial Tools. We carry a wide range of popular NSN items on our website, including Hammer Hand like part number 51-440 which is listed with the NSN 5120014285098 for easy identification. If you are interested in 51-440 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.