Use this subtask to establish and maintain the substitute parts information for a selected component.
The sequence in the order of preference displays in this field.
The substitute part that can be exchanged for this component displays in this field.
This field displays the revision of the substitute part.
This field displays the description of the substitute part.
This field displays whether the substitute part is use-up/interchangeable, interchangeable, non-interchangeable, or invalid substitute.
This field displays the unit of measure of the substitute part.
This field displays the Make or Buy status of the substitute part.