Description
Our Singer Class 29 / Model 29-4, upper thread tension adjusting assembly includes the following parts:
- #668 – slotted, threaded post (1)
- #8617 – cup (1)
- #8618 – discs (2)
- #8619 – spring (1)
- 1560 – thumb nut (1)
Number in parenthesis is quantity of each part.
Part numbers are from original Singer Manufacturing Company parts lists.
