At One Click Purchasing, we are your reliable source for the NSN part 313939 manufactured by Thales Avionics Electrical. We carry a wide range of popular NSN items on our website, including O Ring like part number 313939 which is listed with the NSN 5331002518839 for easy identification. If you are interested in 313939 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.