Singer Complete Tension Unit
For many of the older singers 200 300 400 500 Series 6100 7100
1247, 1263, 1280, 1288, 1802, 1803, 1812, 1852, 1862, 1872, 1873, 237, 239, 240, 2404, 241, 242, 2430, 247, 247AP, 248, 250, 251, 252, 257, 258, 259, 288, 300,
3101, 3102, 3103, 3105, 3140, 337, 347, 360,
400, 401, 401A, 403, 404, 4522, 4525, 4526, 4528, 4530, 4538, 4825, 4828, 4830,
500, 502, 507, 509, 513, 522, 527, 533, 543,
600, 6021, 603, 604, 6102, 6104, 6105, 6106, 6110, 6112, 6114, 6115, 6116, 6120, 6122, 6124, 6125, 6126, 6130, 6136, 6146, 6152, 6156, 6174, 6184, 620, 620E, 620E31, 6201, 6202, 6211, 6212, 6214, 6215, 6217, 6221, 625, 626, 628, 629, 630, 630E, 635, 635E, 636, 638, 639, 640E, 645, 646, 649, 6606, 6610,
7100, 7101, 7102, 7105, 7108, 7110, 7146, 7174, 7184, 7186,
8500, 8600, 8614, 8734, 8834,
9502, 9505, 9518, 9606, 9608, 9612, 9618, 9900