Singer 7110 free arm foot control #988274-062 with 3 hole motor plug with rounded top and male electric plug.  Tested and working parts.  Two pound shipping rate to lower 48, return for refund if fails on your Singer.  Should work on models:

Singer: 1000G, 1021, 1022, 1247, 1263, 1280, 1280N, 1288, 1482, 1485, 1486, 1488, 1490, 1492, 1730, 1802, 1803, 1812, 1852, 1853, 1862, 1872, 1873, 2102, 2105, 2106, 2108, 2110, 2112, 2114, 2118, 2302, 2303, 2304, 2315, 2330, 240, 2404, 241, 242, 2430, 2440, 247, 247AP, 248, 250, 2500, 2502, 2503, 2504, 2505, 251, 2515, 2517, 252, 2530, 2543, 257, 258, 259, 2601, 2602, 2603, 2604, 2605, 2615, 2616, 2628, 2630, 2643, 288, 2950, 3001, 3002, 3003, 3004, 3005, 3011, 3012, 3013, 3014, 3015+Fit for Singer:4001, 4002, 4005, 4006, 4009, 4011, 4012, 4015, 4016, 4019, 4022, 413K, 413K13, 416K, 417, 418, 4314, 4325, 4522, 4525, 4526, 4528, 4530, 4538, 4620, 4825, 4828, 4830, 4832, 495, 5017, 502, 5028, 5040, 5050, 507, 509, 513, 514, 5160, 518, 522, 527, 533, 534, 538, 5400 (Old Style), 5417, 543, 5430, 5502, 5504, 5505, 5508, 5522, 5524, 5525, 5528, 5530, 560, 5605, 5610, 5705, 5710, 5802, 5805, 5806, 5808, 5810, 5812, 5814, 5816, 5817, 5818, 5820, 5825, 5830, 5830C, 5838+

Fit for Singer:6011, 6012, 6021, 6038, 6104, 6105, 611, 6112, 6114, 6115, 6116, 6124, 6125, 6126, 6201, 6202, 6211, 6212, 6214, 6215, 6217, 6218, 6221, 6305, 631, 6310, 6314, 6318, 6522, 6528, 6533, 6543, 6544, 6548, 6606, 6620, 57815, 57817, 57820, 57825, 6513, 6610, 7011, 7025, 7035, 7101, 7101, 7102, 7105, 7108, 7110, 714, 7146, 717 School, 7174, 7184, 7186, 719, 7211, 7212, 722, 724, 734, 737, 755, 756, 758, 760, 764, 774, 775, 776+