New Singer Sewing Machine Stop Motion Clutch Knob Washer for 15 66 99 127 128 306

New replacement lock washer for the stop motion knob, part #2020. Compatible with Singer sewing machines that use the #256 stop motion knob, this includes the model 15 (excluding the 15-91), 66, 99, 115, 127, 128, 201-3 / 201K (excluding the 201-2), 306, 319, etc. *Please note that this washer is not compatible with the Featherweight.