Vintage Singer Simanco 276303 metal cam disc number 3 for sewing machine decorative stitch.

Original Singer part marked SIMANCO, 276303 and G.T. BRITAIN, indicating manufacture in Great Britain.

Round dark metal disc with a keyed center opening, notched outer edge, and raised stitch pattern icon on the reverse next to the number 3.

Designed for compatible Singer sewing machines that use interchangeable cam discs; please confirm part number 276303 matches your machine before purchase.

Ideal replacement piece or backup for maintaining functionality of vintage Singer sewing equipment.