| Series | 657 | 
                                        
                                            | Certifications | RoHS, IP67, NEMA 4X | 
                                        
                                            | Status | Active | 
                                        
                                            | Features | Watertight | 
                                        
                                            | Mounting Hole Size | 0.687" (17.45mm) | 
                                        
                                            | Output | Single Color | 
                                        
                                            | Emitted Color | Blue | 
                                        
                                            | LED Position | Internal | 
                                        
                                            | Lens Style | Flat | 
                                        
                                            | Lens Color | Non-Tinted, Diffused | 
                                        
                                            | Voltage | 5 VDC | 
                                        
                                            | Resistor | Internal Resistor Included | 
                                        
                                            | Mounting Method | Nut/Washer | 
                                        
                                            | Max Panel Thickness | .350" (8.89mm) | 
                                        
                                            | Mounting Torque | 15 | 
                                        
                                            | Mounting Torque Unit of Measure | lb-ft | 
                                        
                                            | Typical Current (mA) | 20 | 
                                        
                                            | Termination | 6" Wire Leads | 
                                        
                                            | Lead Wire Gauge | 18 AWG | 
                                        
                                            | Housing Material | Polycarbonate | 
                                        
                                            | Lens Material | Polycarbonate | 
                                        
                                            | Lock Washer | White Nickel | 
                                        
                                            | Nut | White Nickel | 
                                        
                                            | Operating Temperature | -35°C to +65°C (-31°F to +149°F) | 
                                        
                                            | Storage Temperature | -40°C to +100°C (-40F to +212°F) | 
                                        
                                            | Polarity Sensitive | Yes |