Guaranteed to fit Husqvarna Viking Sewing Machine Models:
100, 1010, 1020, 1030, 1040, 105, 1060, 1070, 120, 150, 180, 185, 190 Optima, 19E, 200, 2000, 21, 21E, 3000 Series, 3230, 33-10, 3300, 3310, 3320, 3610, 450S, 49, 51, 52, 5430, 5530, 5540, 5570, 5610, 5710, 6000, 6020, 6030, 610, 6170, 620, 6230, 6240, 6260, 6270, 630 old, 6360, 6370, 6430, 6440, 6450, 6460, 6470, 6540, 6570, 6690, 7, 90, 940, 945, 95, 950, 950S, 960, 980, 990, 990S, Classica 100, Classica 105

Guaranteed to fit White Sewing Machine Models:
3200, 3300, 3500, 3900, 4910, 8410 Euroflair, 8910

Alternate Part Numbers: 4011530