Original Singer Model 221 Featherweight Light Switch - Complete Assembly This is a genuine original Singer light switch assembly for the Model 221 Featherweight sewing machine. Fully tested and in excellent working condition, this complete switch will restore reliable light control to your beloved Featherweight. Key Features Simanco part number: 193891 Genuine original Singer part - Not a reproduction Complete assembly - Ready to install Tested and working - Verified functionality before shipping Excellent condition - Clean, functional original part Direct replacement - Exact fit for Model 221 Compatibility Fits Singer Model 221 Featherweight sewing machines (all variations including 221, 221-1, 221K, 221J). Why You Need This If your Featherweight's light switch is broken, stuck, or not making proper contact, this replacement will restore full light control to your machine. A working light switch is essential for proper sewing visibility and safe operation of your Featherweight. The light switch on the Model 221 is a common wear item due to frequent use over the decades. This original Singer replacement ensures proper fit and reliable operation, maintaining the authenticity and value of your vintage Featherweight. Important: Always unplug your machine before replacing electrical components. If you're not comfortable working with electrical parts, consult a qualified sewing machine technician.