A sample from the products for the F-27 Rear Fork-propeller Shaft include: Oil Seal,27x43x7, Cap,lock Nut, Plate,dust Seal, Bolt,r.fork Pivot.
In this schematic the "Nut,hex.,8mm" is used most often.
Of all the components used in this assembly the Arm Assy.,s*nh-1* is the most expensive.