Eccentric Stud SS573C for Singer 29K-71 Sewing Machine Restore precise shuttle timing adjustment and smooth mechanical operation with this premium eccentric stud SS573C, designed specifically for the Singer 29K-71. This essential component is part of the shuttle driving lever system and allows accurate eccentric adjustment for correct stitch formation and stable machine performance. Key Features: Exact fit for Singer 29K-71 sewing machine Part number: SS573C Durable, high-strength metal construction Enables precise eccentric adjustment of shuttle timing system Supports smooth shuttle movement and accurate stitch formation Ideal for repair, maintenance, or replacement use A reliable replacement part to keep your sewing machine properly timed, stable, and operating efficiently.