The Nut,flange,6mm is the lowest priced item on this Water Pipe schematic.
This part-list fiche shows all the components that make up the Cn250 Helix 1986 (g) Usa Water Pipe .
Some items from this specific schematic: Bolt,flange,6x40, Rnfct Pipe,floor, Pipe Comp.,l.wate, Pipe Comp,r Water.