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, 6010, 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 guaranteed to fit white sewing machine models:
3200, 3300, 3500, 3900, 8410, 8910