It looks like this Part has been superseded by LEGO Part 90194 Wedge Plate 3 x 4 with Stud Notches [Reinforced Underside].
Design ID 90194 is a very slightly different mold, this difference can only be spotted on the underside which is typically hidden.
Click on a colored part below to see the Sets and MOCs that use part 48183 Wedge Plate 3 x 4 with Stud Notches in that color. You can find an overview of all LEGO Colors here.
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