>> Search results for: 8196551 NSN Search Results National Stock Number (NSN) Description 4820-01-491-7759, 4820014917759 VALVE,EXHAUST CONTROL 4520-01-596-1733 , 4520015961733 DAMPER,FLUE 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