213890-2 is a CPC Series 1 free-hanging receptacle, reverse sex circular plastic connector designed for commercial signal and power applications. This connector features a 17-3 arrangement and accepts socket contacts, with a thermoplastic housing rated UL 94V-0 in black. The connector operates over a temperature range of -40°C to +105°C and offers quick connect/disconnect capability with thread assist and positive detent coupling. Key dimensions include a mating face diameter of 1.090 inches (27.69 mm) and an overall length of approximately 1.675 inches (42.54 mm). This RoHS compliant connector is ideal for cable or panel mount configurations in industrial, commercial, and instrumentation applications requiring reliable signal and power connections.