>> Search results for: 74A8381631003 NSN Search Results National Stock Number (NSN) Description 1680-01-512-6596, 1680015126596 Cancelled -> Replaced by 1680015018256 1680-01-501-8256 , 1680015018256 DUCT ASSEMBLY,AIRCR 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