Singer 20U Industrial Zig-Zag Sewing Machines Bobbin Case

Bobbin Case with No Back Lash Spring, featuring part number #541678NBL (also known as 410025NBL), along with a set of ten durable Steel Bobbins with Deep Cut, identified as 55623S.

Compatible with various sewing machine models, including:

- Singer: 20U, 20U11, 20U12, 20U13, 20U31, 20U33, 20U51, 20U53, 20U62, 20U63, 20U73, 20U73B, 20U83, 20U83B
- Brother: Galaxie 8015, TZ1-B652, XL702, XL703, XL622, XL2005, XL4001, XL5001, and more
- White: 162, 305, 510, 690, 710
- Riccar: 2800, 2900, 3300, 3400, 3500, 3600, 4001, 4003, 414, 500, 515, 525, 551, 555FA, 606, 805, 806, 807, 808E, 8400, 8500, 888, 906E, 9150, 9160, 9600, 9700, 9800, 9900
- Tajima: TM, TMB, TMBE, TME, TME-D, TMEF, TMEG, TMFD, TMFX, and more
- Barudan: #KF220440
- Happy: #ESMPZ00080
- Eltac: #2-20

Additional part numbers: H12805000, 117596001

Experience smoother sewing performance with the innovative No Back Lash Spring technology, ensuring consistent bobbin tension and excellent stitch quality.