standard circular connector, 4-1437719-8, TE Connectivity
Product Type: Connector, Connector System: Cable-to-Cable, Sealable: Yes, Circular Connector Type: Plug, Shell Type: Metal, Number of Positions: 4, Number of Power Positions: 0, Number of Signal Positions: 4, Contacts Preloaded: Yes, Operating Voltage: 60 VAC, Environmental Protection Type: Sealed, Shell Plating Material: Nickel, Shell Base Material: CuZn, Circular Connector Insulation Material Type: PBT, Hermetically Sealed: No, Contact Current Rating (Max): 3 A, Reverse Gender: Yes, Contact Layout Arrangement: Circular, Circular Connector Contact Type: Pin, Connector Mounting Type: Panel Mount, Mating Retention: With, Assembly Length: 25.9 mm, Operating Temperature Range: -40 – 80 °C, Circuit Application: Signal, Shielded: No, UL Flammability Rating: UL 94V-2, Packaging Quantity: 25