At One Click Purchasing, we are your reliable source for the NSN part HS3-A-BK manufactured by Surefire Llc. We carry a wide range of popular NSN items on our website, including Light Head Utility like part number HS3-A-BK which is listed with the NSN 6230016220311 for easy identification. If you are interested in HS3-A-BK 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.