Bulk discount will be calculated in cart

New replacement tension check spring, part #66774. Compatible with the following Singer models: 

201 / 201-2, 221 / 221K, 222 / 222K, 223, 237, 239, 240Srs, 247AP, 250Srs, 288, 301 / 301A, 327, 328, 329, 337, 338, 347, 348, 353, 354, 360, 362, 366, 367, 401 / 401A, 403 / 403A, 404, 413k, 416k, 417, 418, 457, 466, 476, 477, 478, 500 / 500A, 502, 503 / 503A, 507, 509, 513, 514, 518, 522, 527, 533, 534, 538, 560, 600, 620, 620E31, 625, 626, 628, 629, 630E, 630E31, 635, 636, 638, 639, 640E, 645, 646, 648, 649, 1200, 1200-1, 1247, 1263, 1280, 1288, 1802, 1803, 1812, 1852, 1853, 1862, 1872, 1873, 2404, 2430, 2712, 2718, 2722, 2724, 2730, 2732, 3101, 3102, 3103, 3105, 4522, 4525, 4526, 4528, 4530, 4538, 4825, 4828, 4830, 6011, 6012, 6021, 603, 604, 6102, 6104, 6105, 6106, 6110, 6120, 6130, 6136, 6146, 6152, 6156, 6174, 6184, 6201, 6202, 6211, 6212, 6214, 6215, 6217, 6221, 6513, 6548, 6606, 7015, 7021, 7025, 7101, 7102, 7104, 7105, 7106, 7108, 7110, 7136, 7174, 8002, 8007, 8019, 8100, 8200, 8500, 8600, 8774, 9500, 9600 and 9900