At One Click Purchasing, we are your reliable source for the NSN part 4139 manufactured by Thomas Electronics Inc. We carry a wide range of popular NSN items on our website, including Packing Preformed like part number 4139 which is listed with the NSN 5330001199329 for easy identification. If you are interested in 4139 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.