Thread Tension Assembly - Fits Singer Model 31
-Replacement upper thread tension assembly.
- Part # 44118
- Assembly comes complete with release pin.
- Barrel diameter is 17.4 mm.
- Please note that some of these models depending on the year may use a different size barrel. Best to measure your opening.
-Fits Singer industrial model
- 31, 31-15, 31-17, 31-18, 31-19, 31-20, 31-29, 16-188, 17-41, 42-1, 42-2, 42-3, 42-4, 42-5, 42-8, 43-1, 43-2, 43-3, 43-4, 43-5, 43-6, 46K5, 44 class.
