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: