The Hex Socket O-Ring Boss Plug (6409-16VBRN) from Pressure Connections is designed for reliable sealing in hydraulic systems. Made from durable steel with a Viton O-ring, this plug ensures excellent resistance to high temperatures and chemicals. It features a hex socket design for easy installation and removal, making it ideal for maintenance in tight spaces. The dimensions and thread specifications are optimized for standard O-ring boss connections, ensuring compatibility with various hydraulic applications. This plug meets industry standards for quality and performance, making it a trusted choice for professionals.