The most expensive part in this assembly is the Wheel-assy,rr,g.black.
The Pin-cotter,4.0x40 is the lowest priced item on this Rear Hub schematic.
A sample from the products for the Rear Hub include: Seal-oil,pjn 40 55 8, Seal-oil,31x52x5, Stud,10x19, Bearing-ball,#6006g.