>> Search results for: 74A8381731001 NSN Search Results National Stock Number (NSN) Description 1680-01-512-6602, 1680015126602 DUCT ASSEMBLY,AIRCR 1680-01-512-6606 , 1680015126606 Cancelled -> Replaced by 1680015126604 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