In this schematic the "Thrust Washer 0.5 Mm" is used most often.
Parts such as the 003 Gearbox: Bearing, Needle, Driving Gear 5th Speed, Driven Gear 4th Speed T:26, Driven Gear 6th Speedt:24 are included in the M620 2006 Eu (monster 620 Dark) 9151-1432e 003 Gearbox parts fiche.