Lifting Nut for Hook Diver
Singer Part # 163884
Fits Singer models 1036, 1200, 2001, 2001A, 2005, 417, 626, 630, 635, 640, 645, 648, 6704, 6705, 714, 717 School, 719, 724, 734, 737, 750, 755, 758, 770, 774, 775, 776, 778, 900-3, 920-3, 925, 935U, Athena 2000 (2000A)
Note: These nuts have left-handed threads.