It is fairly certain that that sub was U-173. The statistics match and the Morison's Volume II has the USS Bristol encountering U-173 on the surface at just 1200 yards range on her escape northward. Heinz-Ehler Beucke Oblt. Fate Sunk 16 Nov 1942 at Casablanca, by depth charges from the US destroyers USS Woolsey , USS Swanson and USS Quick . I believe there is a typo in the information table above and that it is intended to be the USS Hambleton.
Fate runs a circuitous route.
In a later action on 17 May 1944, in waters east of Cartagena, the USS Hambleton is one of a group of U.S. destroyers credited in this same archive with sinking U-616, which had earlier sunk the USS Buck. We shall offer more details on U-616 when we get to the action in which the Buck was lost. Four of the six hit. Ernst Kals Oblt. Fate Sunk 12 Mar 1943 west of the Azores, in position 37.10N, 40.21W, by depth charges from the US destroyer USS Champlin .