Guaranteed to fit Singer Sewing Machine Models:
401, 401A, 403, 403A, 404, 414, 414G, 500, 500A, 503, 503A, 600, 603, 604, 620, 620E1, 620E31, 625, 626, 626E1, 626E6, 626E7, 628, 629, 630, 630E, 635, 635E, 635E3, 635E6, 635E7, 636, 638, 639, 640 Touch & Sew, 640E, 645, 646, 648, 649
Alternate Part Numbers: 172015, 163800
