Part Number: 11902 (Panel mount intercom) Part Number: 119020 (Toggle switch) Part Number: 1190200000 (Spacer,ring) Part Number: 119020001 (No description) Part Number: 119020006 (Component) Part Number: 11902001 (3110011582977) Part Number: 119020010 (Component) Part Number: 119020012 (Component) Part Number: 119020016 (Component) Part Number: 119020020 (Component) Part Number: 119020025 (Component) Part Number: 11902-004 (Handle) Part Number: 11902-01 (Ne) Part Number: 119-020-10-60 (Ne)