A Wiper Shaft Washer is a circular plate with a central hole used in the wiper arm and the wiper shaft assembly. It is made to fit snugly onto the wiper shaft. When secured by a nut, the washer provides a smooth bearing surface, reducing friction, and facilitating proper alignment and movement of the wiper arm on the shaft.Attributes:• Distributes the load over a larger area, preventing the nut from digging into the shaft material• Maintains fastener tightness under dynamic conditionsApplications:A Wiper Shaft Washer acts as a spacer and bearing surface between the wiper arm and the shaft. When the nut is tightened, it secures the washer in place, preventing unnecessary movement and ensuring smooth operation of the wiper arm.