Singer sewing machine models 306, 319, 320, 328, 238, 240, 248, 258, and 316 utilize type A flat cam disc #31 designated as Simanco 276331

The Simanco 276331 type A flat cam disc is specifically designed for use with Singer sewing machine models 306, 319, 320, 328, 238, 240, 248, 258, and 316. This component ensures smooth operation and accurate stitching, enhancing the performance and reliability of your sewing machine.