1+ Support bracket  
2+ Mounting bracket  
3+ Mounting bracket  
4+ Mounting bracket  
5+ Mounting bracket  
6+ Pan head screw  
7+ Captive nut  
8+ Setscrew  
9+ Bear nut  
10+ Pan head screw  
11+ Shakeproof washer  
12+ Flanged head screw  

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.