Of all the components used in this assembly the Box,inner*nh-158* is the most expensive.
The component with the lowest price in the INNER BOX schematic is the Screw-washer,5x12.
With all the components that make up the CN250 HELIX 1991 (M) ITALY KPH INNER BOX assembly. The Screw,tap.,4x12 is the most frequently specified with eighteen applications.