Tallangatta's openers ended Belvoir's three-match winning streak.
Phil Neville (62) and Oliver Willett (57) combined in a 132-run stand to set up the four-wicket win.
It was the latter's first half-century since moving from Wangaratta and District.
"He's starting to play really nicely, he played some good shots down the ground and looks a really compact batsman," Bushies' captain-coach Matt Armstrong said.
IN OTHER NEWS:
Belvoir teenager Kaiden Withers also made a maiden 50 in the total of 9-200, with Matt Oswell grabbing 3-27.
Elsewhere, East Albury kept New City winless, while Lavington defeated Albury.