Part Number: 121903LE (Component) Part Number: 121903LF (Switch rotary) Part Number: 121903LM (Switch) Part Number: 121903LS (Switch electroswitch) Part Number: 121903LW (Switch,rotary) Part Number: 121903LY (5930-00-581-5508) Part Number: 121903MA (Switch) Part Number: 121903MC (No description) Part Number: 121903ME (Switch, rotary) Part Number: 121903ML (Component) Part Number: 121903P12 (Stud) Part Number: 121903P4 (Stud) Part Number: 121903P8 (Stud) Part Number: 121904 (No description)