>> Search results for: 5131866 NSN Search Results National Stock Number (NSN) Description 2990-00-209-0003, 2990002090003 Cancelled -> Replaced by 2990011957151 2990-15-147-6313 , 2990151476313 MUFFLER (1), EXHAUS 1 Related Inventory Search You can use this search box to continue searching. Search parameters can include any combination of characteristics, specifications, description, partial part numbers, NSN or other stocking number. Special characters are not needed and are automatically stripped before searching. Do you sell this part? Become part of our growing pool of certified suppliers. Send Information