>> Search results for: 49S1I NSN Search Results National Stock Number (NSN) Description 3040-01-318-3218, 3040013183218 BRAKE DRUM 3040-01-318-3218 , 3040013183218 BRAKE DRUM 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