Is there a way to have two customer item number for the same item in a sales order?

Summary:

Need to have two customer item number for same item in sales order.

Content (please ensure you mask any confidential information):

Customer have two trading partner items for a given customer, defined for the same item. One with rank 1 and the other with rank 2. They can search both customer item numbers in the order entry, but the value defaulted always is the one with rank 1.

Version (include the version you are using, if applicable):

25B

Code Snippet (add any code snippets that support your topic, if applicable):