At One Click Purchasing, we are your reliable source for the NSN part 99-4MM manufactured by Apex Tool Group Llc. We carry a wide range of popular NSN items on our website, including Blade Nutdriver like part number 99-4MM which is listed with the NSN 5120011614539 for easy identification. If you are interested in 99-4MM 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.