Bobbin #4011770. Replacement metal bobbin for Viking and White sewing machines.
Husqvarna Viking: 1010, 1020, 1030, 1040, 1060, 1070, 100, 120, 150, 150E, 180, 185, 190, 19E, 21, 21E, 3230, 3300, 3310 3320, 3610, 49, 51, 52, 5230, 5430, 5530, 5540, 5570, 5610, 5710, 6010, 6020, 6030, 610 (old), 6170, 620 (old), 6230, 6240, 6260, 6270, 630 (old), 6360, 6370, 6430, 6440, 6460, 6470, 6570, 6690, 7, 90, 940, 945, 95, 950, 950S, 960, 980, 990, 990S.
White: 3200, 3500, 3900, 8410, 8910