At One Click Purchasing, we are your reliable source for the NSN part 28139 manufactured by Ge Aviation Systems Llc. We carry a wide range of popular NSN items on our website, including Nut Plain Round like part number 28139 which is listed with the NSN 5310012241408 for easy identification. If you are interested in 28139 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.