Origin of wrist pin
Examples from the Web for wrist pin
This test may be made with the wrist-pin alone, or if the piston is in place, a straight edge or spirit level may be employed.Aviation Engines|Victor Wilfred Pag
The wear at the wrist-pin is taken by the so called brasses, shown at B in the illustrations.
The outer brass is adjustable, being forced toward the wrist-pin by a sliding wedge which is operated by one or more set-screws.