I don't see one and I'm not sure it would be of much value. If you feel being descended from a member of the organization is noteworthy, you can use this template.
Template: Descendant
Another thing you can do is to create Personal Categories and create a subcategory for all your ancestors who are listed in the SAR or DAR database as being a part of the Revolutionary War. That is another way that you can track your own notable ancestors.