0+ (Unillustrated Parts)  
1+ Bonnet hinge  
2+ Recessed setscrew  
3+ Lock washer  
4+ Plain washer  
5+ Setscrew  
6+ Lock washer  
7+ Plain washer  
8+ Bonnet insulation  
9+ Bonnet insulation  

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.