>> Search results for: 004411881 NSN Search Results National Stock Number (NSN) Description 2040-99-745-5901, 2040997455901 TRUNK DUCT 2040-99-747-4691 , 2040997474691 TRUNK DUCT 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