Ultra Pressure Components Series 5406P Male HP Plug Adapters are used to close off open ports in high-pressure hydraulic systems. These adapters have a male HP (High Pressure) connection with a 60-degree coned and threaded seal, designed to handle pressures up to 60,000 psi (4136 bar). Constructed from high-strength cold-worked 316 stainless steel, they provide a secure, leak-proof seal and are built for durability in extreme conditions. Special material options are available upon request.