Bobbin Winder Spring, Singer #531766 Details

Guaranteed to fit Singer sewing machine models:
1250HD, 2302, 2303, 2304, 2315, 2330, 2440, 2500, 2502, 2503, 2504, 2515, 2530, 2543, 2601, 2602, 2603, 2604, 2605, 2615, 2616, 2628, 2630, 2643, 2712, 2718, 2722, 2724, 2730, 2732, 2808, 2950, 3270, 3314 Merritt, 3317 Merritt, 3343, 4538, 4620, 5017, 5028, 5040, 5160, 5705, 57817, 57820, 57825, 5802, 5805, 5806, 5808, 5810, 5812, 5814, 5816, 5817, 5818, 5820, 5825, 5830, 5838, 6021 Merritt, 6211, 6212, 6214, 6215, 6217, 6221 Merritt, 6620, 7211, 7212, 8220, 9802, 9803, 9805, 9806, 9808, 9810, 9812, 9814, 9816, 9818, 9824, 9828, 9832, 9836, 9936, CG-500, CG-550, CG-590 Commercial Grade, CM17, CP17, FM17 Fashion Mate, FM22, HD102, HD105, HD110, SM14