Standard Pushbutton size is 30.5mm Oil resistant gasket. Secured with an 8-32 x 0.55" threaded stud and plated wing nut. Steel Hole Plug - Available in 12 sizes. Stainless Steel Hole Plugs - Available in 8 sizes.
Mounting
Wing Nut
Manufacturer Name
Hammond Manufacturing
Application
Designed to seal unused pushbutton holes, conduit openings and knockout holes against dust, oil and water.