Keystone Electronics Corp. Instrumentation Knob 8559

The Keystone Electronics Corp. Instrumentation Knob, part number 8559, features a diameter of .250 inches (6.4 mm) and is constructed from ABS material. It includes a brass insert with nickel plating for durability and secure attachment. The knob has a height of .700 inches (17.8 mm) and an overall height of .780 inches (19.8 mm). It is designed for use with a shaft diameter of .250 inches (6.4 mm) and provides a nut clearance of 1.150 inches (29.2 mm). The knob is equipped with two set screws to ensure a secure fit on the shaft. This product is suitable for applications requiring a reliable and ergonomic control interface.