Some items from this specific schematic: Nut,flange,6mm, Bag,service Book, Seat *nh1* (type2).
The Sa50 50 Sr 1995 (s) Usa Seat consists of three pieces with the Seat *nh1* (type2) being the most expensive.
The lowest price component in this Seat parts-list fiche is the Nut,flange,6mm.