Bobbin case SINGER 540735, 52237 NBL

Bobbin case SINGER 540735, 52237 NBL - for the machines SINGER 591D215BD, BF,GD,GF, 591D240AD,AF,BD,BF, 591D240GD,GF, 591D300A,AA,BD,BF, 591D300GD, GF591D301,591D302AF, 591D303,A, 591D305A,AA,AD,AF, 591D308A,AA,AD,AF, 591D310BD,BF,GD,GF,591D310GA,GAC, 591D315BD,BF,GD,GF,591D318BD,BF,GD,GF 591DUX100,591DX ALL, 591DX100, 591E ALL 591U ALL, 591UTT, 591UX100AF,BF,GF,591UX220,GF, 591UX301, 591UX302,AF, 591UX312,BF,GF, 591UX313,BF,GF, 591UX320GF, 591V ALL, 601D100AA, 601D100AD,AF,BD,BF, 601D100GA,GD,GF, 691D(200,300),1300,1591.