https://www.mccoys.com/shop/p/3402823-052303-18/jandorf-61155-toggle-switch-nut
Jandorf Toggle Switch Nut, Specifications: M12x1-6H Thread, 2.5 mm Thickness, Dimensions: 14 mm OD
Specifications
M12x1-6H Thread, 2.5 mm Thickness
Dimensions
14 mm OD