Singer Check Spring
500, 600 series, 5825, pull up 7101, 7102, 7105, 7108, 7110, 7136, 7146, 7174, 7184, 7186, 8109, 8134, 8209, 8214, 8222, 8234, 8502, 8505, 8518, 8602, 8605, 8606, 8610, 8614, 8618, 8734, 8834, 9502, 9505, 9518, 9602, 9605, 9606, 9608, 9610, 9612, 9614, 9618, 9900