At One Click Purchasing, we are your reliable source for the NSN part 100939 manufactured by Systron Donner Corp. We carry a wide range of popular NSN items on our website, including Nut Plain Assembled like part number 100939 which is listed with the NSN 5310006556534 for easy identification. If you are interested in 100939 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.