155819AGEAR Singer Upper Vertical Grade AProduct DetailsSinger 413, 416, 418, 457, 476, 477, 478, 247 model made in USASpecificationsBrand Singer CompatibleUnit of Measure EA
445491-S GEAR Singer 242 247 Upper Vertical No Shaft Product Details Singer 2404. Some models 240 series made that had a pinned shaft. Pinned shaft use
