I think you forgot the FLEX COUPLERS (x2) 
Sometimes I see 4 washers in each side of the earstem than just 2, really hard to say... My total count is 
31 
 
Nosebridge - x1 
Rivet - x2 
Orbital - x2 
Orbital washer - x2 
Orbital screw - x2 
Earstem - x2 
Earstem washer x8 
Earstem screw - x2 
Nosebomb - x2 
Temple shock - x2 
Lens- x2 
Earsock- x2 
FLEX COUPLER - x2 
 
 
 
some photos previously shown:  
 
 
 
