At One Click Purchasing, we are your reliable source for the NSN part 85991 manufactured by A P Parts Co. We carry a wide range of popular NSN items on our website, including Pipe Exhaust like part number 85991 which is listed with the NSN 2990004863726 for easy identification. If you are interested in 85991 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.