GEAR Sgr 600 Bottom Vertical

Bottom Shaft Vertical Gear for Singer 401, 403, 404, 411 431, 500, 503, 503A, 600, 603, 604, 609, 620, 625, 626, 628, 629, 630, 630E, 631, 635, 635E, 636, 638, 639, 640 Touch & Sew, 640E, 645, 646, 648, 648E, 649 Alternative numbers 163327, 163999, 174204A