The Nut,flange,6mm is the lowest priced item on this Fuel Tank/fuel Pump (gl1500an/sen) schematic.
In this schematic the "Nut,flange,6mm" is used most often.
A sample from the products for the Fuel Tank/fuel Pump (gl1500an/sen) include: Tube,vinyl,8x12x7, Tube,fuel (b), O-ring,39.5x5, Clamper,a.c.gen.