B3129053000 Tension Spring for Juki LK-1850, LK-1900, LK-1930, LK-1910, LK-1920, AMS-220C, AMS-215C, LU-1565N, LU-1561N, LU-1561N-7, DNU-1541, DNU-1541H, DNU-1541S, LU-1520NCS-7, LS-1340, LS-2342S, LS-2342S-7, PLC-2710, PLC-2710-7, PLC-2765

https://dyleague.manufacturer.globalsources.com/

https://www.sewingmachineparts.cn/