Sierra MP41030 3 Position Conventional Ignition SwitchFeatures: Back Up Nut: Brass; Face Nut: Knurled Black Plastic with Rubber Cap; Hole Size: 7/8"; Panel Thickness: 5/8" maximum; Material: Marine grade glass-filled Polyester; Rated Ignition: 15 Amp @ 12v DC; Rated Solenoid: 30 Amp @ 12v DC; Terminal Type: 3 Screw Tab; Switch Positions: Off - Run - Start; Type: 3 Position Conventional; Maximum corrosion protection - eliminates oxidation; Inner seal between cylinder lock and contact plate; Non-conductive housing eliminates potential short; Interchange: Seadog; 420366-1;