Reg: Mainatining Object dependency in BOM

Dear Experts ,

i need to know , how to write object dependency in the following scenario.

We have one of the material Axle in super BOM (Raw Material -brought out item)

Axle has different characteristic values.

Axle 100 T , Axle 200 T , Axle 300 T .

Necessary class and characteristics have been maintained..

Here selection of Axle will influence the  same of the components which are

manufactured in in-house. How to write the object dependency so selection of  axle will triger the right component selection which is produced in in-

house.

If customer selects Axle  100T ,

Comp_1_A , Comp_1_B, comp_1_C should be picked .

Similarly for Axle 200 T  and Axle 300 T.

How to write object dependency in this case..?