I want to emphasize what LeonF said about making sure it has the shuttle. Here's what you're looking for, from another thread:
Need help identifying machine and parts
I just finished cleaning up a similar machine, a
VB-TT Type 5 but it didn't have a shuttle, and with help from this forum I was able to hunt one down that fit so that the machine sews, but it was 2.5X the cost of the machine itself.