At One Click Purchasing, we are your reliable source for the NSN part 15139 manufactured by Daytongranger Inc. We carry a wide range of popular NSN items on our website, including Hook Block Assembly like part number 15139 which is listed with the NSN 3940014150114 for easy identification. If you are interested in 15139 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.