PARKER Hydraulic Quick Connect Hose Coupling: 1/4 in Coupling Size, Steel, Nitrile

The PARKER 71 Series hydraulic quick-connect coupling plug (MPN 71-3N4-4EF) is used for rapid, leak-free connection and disconnection of hydraulic lines in industrial fluid power systems. It is commonly applied in mobile equipment, machine tools, and hydraulic power units where reliable sealing and easy maintenance are required.

The PARKER 71-3N4-4EF is a 1/4 in coupling size, steel-bodied, nitrile-sealed hydraulic quick-connect coupling plug with a Female UNF thread. It is part of the 71 Series and is designed for high-pressure hydraulic applications. The nitrile seal provides good resistance to petroleum-based fluids.

3G Electric supplies the genuine PARKER 71-3N4-4EF hydraulic quick-connect coupling plug to customers worldwide. We handle full logistics, customs clearance, and delivery to your location. As a specialist in pumps and controls across 14 industrial departments, we source the right PARKER part for your application.

To install the PARKER 71 Series quick-connect coupling, ensure the mating halves are clean and undamaged. Apply a compatible lubricant to the seal. Push the plug into the socket until it locks. For threaded connections, tighten to the manufacturer's recommended torque. Always depressurize the system before connection or disconnection.