Hi Melissa, Have just Googled Singer Featherweight Machine Parts and came up with this site.
So they may be able to help you.
Its in Illinois and here are the details for you.
www.sewingmachineparts.net
Guy Baker is the name of the person. Telephone 309 243 1491
at:
G-B Sewing Machine Service Parts
4211 W. Simpson Drive
Dunlap IL 61525
Good luck
Elle :D :D