Singer standard out-side tension sold complete (cream color). This is a spring pull-up replacement for many older models where the tension and/or tension parts are no longer available. Comes with directions. Fits many Singer models, some older and some newer models. On some models you may need to ream-out the sewing machine mounting hole.
Alternate Part Numbers
037988-406, 172325, 37988-406, 421740-451, 422403-452, 422403-457, 422403-459, 446323-477, 507448, 507448BR, 531883-451
Fits the following Singer sewing machine models 237, 239, 240, 241, 242, 247, 247AP, 248, 250, 251, 252, 257, 258, 259, 288, 300, 347, 360, 400, 403, 457, 466, 476, 477, 478, 500, 502, 507, 509, 513, 522, 527, 533, 543, 600, 603, 604, 620, 620E, 625, 626, 628, 629, 630, 630E, 635, 636, 638, 639, 640E, 645, 646, 649, 1247, 1263, 1280, 1288, 1802, 1803, 1812, 1852, 1862, 1872, 1873, 2404, 2430, 3101, 3102, 3103, 3105, 3140, 4522, 4525, 4526, 4528, 4530, 4825, 4828, 4830, 6021, 6102, 6104, 6105, 6106, 6110, 6120, 6130, 6136, 6146, 6152, 6156, 6174, 6184, 6201, 6202, 6211, 6212, 6214, 6215, 6217, 6221, 6606, 8734, 8834, 9900.