At One Click Purchasing, we are your reliable source for the NSN part 4320 manufactured by Nammo Talley Inc. We carry a wide range of popular NSN items on our website, including Nut Plain Round like part number 4320 which is listed with the NSN 5310006183136 for easy identification. If you are interested in 4320 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.