Parts such as the Turbo Pump: Gasket,turbocharg (nas), Clamp,oilrtn.tube, Protector,t/c.oil, Nut,special,8mm are included in the Cx500t Turbo 1982 (c) European Direct Sales Turbo Pump parts fiche.
In this schematic the "Bolt,flange,5x8" is used most often.
Of all the components that make up this Turbo Pump the Bolt,flange,6x10 has the lowest price.