Q6A0764000 - Bobbin Case Singer 3323 4423 - Q6A0764000

guaranteed to fit pfaff sewing machine models:
ambition 1.0, ambition 1.5, ambition essential, quilt ambition 2.0guaranteed to fit singer sewing machine models:
2010 (2009 version), 2010 professional, 2010 superb, 3321, 3323 talent, 4411 heavy duty, 4423 (heavy duty), 4432, 44s, 5511, 5523, 5532 heavy duty, 5554, 9100, et-1 (perfect finish) alternate part numbers: 416827001