Spring - torsion (red)

Torsion spring used on early Williams 50 step unit assemblies and others.

Reference:

• 10A-101-2B

• 10A-101-2C (red)

• 10A-224

• 10A-242

• 10A-227

• 10A-228

• C-6510 non-resetting 50 step unit with bell

• C-6510A non-resetting 50 step unit without bell

• C-6494 resetting 50 step unit