Eaton E34 Series Watertight/oiltight pushbutton has 1 NO contact configuration and momentary action. The corrosion-resistant pushbutton in black color, is made from plastic for durability. The non-illuminated pushbutton with flush button actuator, supports flush mounting. It has a mounting hole diameter of 30.5 mm. The pushbutton meets UL, CSA, FDA 3-A and CE standards.