🌐EnglishEnglishDeutschFrançaisPolskiPortuguêsالعربيةEntityQ15644562· pop 8· linked from 768 articlesU-640Also known as German submarine U-6401942 Type VIIC submarineOn the mapAvailable in 8 languagesFrançaisPortuguêsالعربيةPolskiSlovenianTiếng ViệtUkrainianvia Wikidata sitelinks · CC0ConnectionsType VII submarineEntitymotor-generatorEntityCategories1942 shipsGerman Type VIIC submarinesMaritime incidents in May 1943Ship infoboxes without an imageShips built in HamburgU-boats commissioned in 1942U-boats lost with all handsU-boats sunk by depth chargesU-boats sunk by US aircraftU-boats sunk in 1943World War II shipwrecks in the Atlantic OceanWorld War II submarines of Germany