The 221185-8 is a 75 ohm BNC plug connector designed for RF coaxial cable termination using O crimp methodology. This connector features a nickel-plated body with polyethylene dielectric material, ensuring true 75 ohm impedance throughout the complete length of the connector. The connector is rated for commercial-grade applications and is compatible with various cable types including Belden 9221 and similar standards. It provides reliable RF signal transmission with optimized performance characteristics for broadcast, video, and telecommunications applications where impedance matching and signal integrity are critical.