Parker6600 Series Hydraulic Quick-Connect Coupling Plugs

Parker Hydraulic Quick Connect Hose Coupling: 3/8 in Coupling Size, Steel

The PARKER 6600 Series Hydraulic Quick-Connect Coupling Plug (MPN 6610-6-6) is a steel-bodied coupling with a 3/8 in coupling size and 9/16"-18 thread size. It supports a maximum flow rate of 22.71 lpm.

SKU 3G-OTH-451863

Brand

Parker

Item

Hydraulic Quick Connect Hose Coupling: 3/8 in Coupling Size, Steel

Technical Specifications

Parker

Manufacturer Part Number

6610-6-6 

Type

Steel, 22.71 lpm Max. Flow Rate 

Thread Size

9/16"-18 

Body Material

Steel 

View Full Spec Sheet

Technical Documents

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Parker Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

Frequently Asked Questions

What is the PARKER 6600 Series hydraulic quick-connect coupling used for?

The PARKER 6600 Series hydraulic quick-connect coupling plug (MPN 6610-6-6) is used in hydraulic systems to enable rapid connection and disconnection of fluid lines without tools. Common applications include mobile equipment, industrial machinery, and hydraulic tools where reliable, leak-free coupling is required.

What are the specifications of the PARKER 6610-6-6 coupling?

The PARKER 6610-6-6 is a steel-bodied hydraulic quick-connect coupling plug from the 6600 Series. It has a 3/8 in coupling size, 9/16"-18 thread size, and supports a maximum flow rate of 22.71 lpm. The manufacturer part number is 6610-6-6.

Where to buy PARKER 6610-6-6 hydraulic coupling worldwide?

3G Electric supplies the PARKER 6610-6-6 hydraulic quick-connect coupling worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

How to select the correct Parker hydraulic quick-connect coupling?

To select the correct Parker coupling, match the coupling size (3/8 in), thread size (9/16"-18), and maximum flow rate (22.71 lpm) to your system requirements. Ensure the body material (steel) is compatible with your fluid and pressure. Always verify the MPN 6610-6-6 for exact fit.

Used in

Common applications for Parker

Injection molding machine proportional directional control — Parker solenoid coils and proportional valve cartridges for mold-closing and hydraulic actuation circuits

Construction equipment hydraulic steering and boom control — Parker directional control valves with solenoid actuation for excavator and loader hydraulic systems

Industrial press forming systems — Parker pressure-relief and proportional directional valves for tonnage control and cycle sequencing

Material-handling conveyor systems — Parker proportional control valves with solenoid pilot stages for smooth load acceleration and deceleration

Tire-building machinery — Parker solenoid-actuated directional cartridges for synchronized multi-axis hydraulic positioning

Forestry and mobile equipment — Parker valve spools and solenoid assemblies rated for harsh-environment hydraulic circuits and mobile-duty pressure cycling

Parker Products

3G Electric supplies Parker 6600 series hydraulic quick-connect coupling plugs. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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