0+ (Unillustrated Parts)  
1+ Rotary switch  
2+ Hexagonal nut  
3+ Switch mounting plate  
4+ Setscrew  
5+ Rotary switch shield  
6+ Flange screw  
7+ Stud  

The part numbers in the assembly image below relate to the product number in the table. Clicking on the part number will open up the relevant part details.