Waffen WWII Pressure Gauge

This example was brought back from WWII as a souvenir. The dial is stamped HFSC and dated 1942 and carries a scale from 0 to 160 Kg/Cm. The brass threaded connector is clearly stamped with an eagle and swastika and below WaA300. We have no other information with this item, but it would appear to be a wartime pressure gauge of some description. Original paint showing some wear. Measures 5" (13 cm)