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Upper Thread Tension Check Spring - Singer Part # 43946 - Central Michigan Sewing Supplies

Upper Thread Tension Check Spring - Singer Part # 43946

$ 2.99

This thread tension check spring, #43946, is a new replacement part designed to fit Singer models 31-15, 31-17, 31-18, 31-19, 31-20, 31-29, 331K, and 44 Class.

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