guaranteed to fit singer sewing machine models:
290c, 600, 603, 604, 620, 620e31, 625, 626, 628, 629, 630, 630e, 635, 636, 638, 639, 640e, 645, 646, 648, 649, 700, 714, 717 school, 719, 724, 734, 737, 750, 755, 756, 758, 770, 774, 775, 776, 778, 930, 1060, 1040g, 1411u & 1425u alternative part numbers include 163124004 & 153143
