It is a Japanese made clone of a Singer model 15. It uses standard 15x1 sewing machine needles and low shank feet along with class 15 bobbins. All are very easily available. A Singer model 15 owners manual will probably be close enough to get you by if you don't have a manual. You can download one for free at Singerco.com.
If Joe sent you to Sew-Classic.com they should be able to help you with the belt and spool pins. If you don't already have some, you'll want some sewing machine oil or Tri-flo as well. I haven't had to use Sew-Classic yet but they have a very good reputation here. Just let them know the parts are for a 15 clone.
It should be a very good machine when you get it running again.
Rodney
EDIT: Joe types faster than me.