Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
PARKER Hydraulic Quick Connect Hose Coupling: 1/2 in Coupling Size, Brass - FEM Series Hydraulic Quick-Connect Coupling Plugs
PARKERFEM Series Hydraulic Quick-Connect Coupling Plugs

PARKER Hydraulic Quick Connect Hose Coupling: 1/2 in Coupling Size, Brass

The PARKER FEM Series Hydraulic Quick-Connect Coupling Plug (MPN PN552) is a brass-bodied coupling with a 1/2 in coupling size, a 1/4"-18 thread size, and a maximum flow rate of 45.42 lpm. 3G Electric interprets this…

SKU 3G-OTH-460456

Brand
PARKER
Item
Hydraulic Quick Connect Hose Coupling: 1/2 in Coupling Size, Brass
Category
FEM Series Hydraulic Quick-Connect Coupling Plugs
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

PARKER
Manufacturer Part Number
PN552
Type
Brass, 45.42 lpm Max. Flow Rate
Thread Size
1/4"-18
Body Material
Brass
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

PARKER Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The PARKER FEM Series Hydraulic Quick-Connect Coupling Plug (MPN PN552) is a brass-bodied coupling with a 1/2 in coupling size, a 1/4"-18 thread size, and a maximum flow rate of 45.42 lpm. 3G Electric interprets this demand and delivers genuine PARKER couplings across 14 industrial departments, with specialist depth in pumps and controls as an authorised distributor.

Frequently Asked Questions

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

The PARKER FEM Series plug (MPN PN552) is used in hydraulic systems to enable rapid connection and disconnection of fluid lines under pressure. It is common in industrial machinery, mobile equipment, and hydraulic power units where quick line changes or maintenance access is needed.

What are the specifications of the PARKER PN552 coupling?

The PARKER PN552 is a brass-bodied FEM Series plug with a 1/2 in coupling size, 1/4"-18 thread size, and a maximum flow rate of 45.42 lpm. It is designed for hydraulic quick-connect applications requiring a durable, corrosion-resistant brass body.

Where to buy PARKER hydraulic quick-connect couplings worldwide?

3G Electric supplies genuine PARKER FEM Series couplings like the PN552 to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this and other PARKER hydraulic components.

How to select the right PARKER quick-connect coupling for a hydraulic system?

Select a PARKER coupling based on thread size, coupling size, body material, and maximum flow rate. For the PN552, ensure your system uses 1/4"-18 threads and a 1/2 in coupling size, and that flow demands stay below 45.42 lpm. Brass suits non-corrosive fluids and moderate pressures.

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 fem 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.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

More from PARKER

View all PARKER parts →
PARKER Hydraulic Quick Connect Hose Coupling: 9/16 in Coupling Size, Steel, 11.36 lpm Max. Flow Rate (MPN FEM-252-6FO). Key specifications — Thread Size: 9/16"-18; Body Material: Steel; Brand: PARKER.
PARKER
PARKER Hydraulic Quick Connect Hose Coupling: 9/16 in Coupling Size, Steel, 11.36 lpm Max. Flow Rate (MPN FEM-252-6FO). Key specifications — Thread Size: 9/16"-18; Body Material: Steel; Brand: PARKER.
PARKER Nose Piece Assembly Coupling: 3/8 in Coupling Size, Steel, 6 g/min Max. Flow Rate, Female UNF (MPN FEM-372-8FO). Key specifications — Thread Size: 3/4"-16; Body Material: Steel; Brand: PARKER.
PARKER
PARKER Nose Piece Assembly Coupling: 3/8 in Coupling Size, Steel, 6 g/min Max. Flow Rate, Female UNF (MPN FEM-372-8FO). Key specifications — Thread Size: 3/4"-16; Body Material: Steel; Brand: PARKER.
PARKER Nose Piece Assembly Coupling: 3/8 in Coupling Size, Steel, 6 g/min Max. Flow Rate (MPN FEM-372-6FP). Key specifications — Thread Size: 3/8"-18; Body Material: Steel; Brand: PARKER.
PARKER
PARKER Nose Piece Assembly Coupling: 3/8 in Coupling Size, Steel, 6 g/min Max. Flow Rate (MPN FEM-372-6FP). Key specifications — Thread Size: 3/8"-18; Body Material: Steel; Brand: PARKER.
PARKER Hydraulic Quick Connect Hose Coupling: 3/8 in Coupling Size, Brass, 11.36 lpm Max. Flow Rate (MPN PN354F). Key specifications — Thread Size: 1/2"-18; Body Material: Brass; Brand: PARKER.
PARKER
PARKER Hydraulic Quick Connect Hose Coupling: 3/8 in Coupling Size, Brass, 11.36 lpm Max. Flow Rate (MPN PN354F). Key specifications — Thread Size: 1/2"-18; Body Material: Brass; Brand: PARKER.
PARKER Hydraulic Quick Connect Hose Coupling: 1/2 in Coupling Size, Steel, 45.42 lpm Max. Flow Rate (MPN FEM-502-12FO). Key specifications — Thread Size: 1-1/16"-12; Body Material: Steel; Brand: PARKER.
PARKER
PARKER Hydraulic Quick Connect Hose Coupling: 1/2 in Coupling Size, Steel, 45.42 lpm Max. Flow Rate (MPN FEM-502-12FO). Key specifications — Thread Size: 1-1/16"-12; Body Material: Steel; Brand: PARKER.
PARKER Nose Piece Assembly Coupling: 1/2 in Coupling Size, Steel, 12 g/min Max. Flow Rate (MPN FEM-502-12FO). Key specifications — Thread Size: 1-1/16"-12; Body Material: Steel; Brand: PARKER.
PARKER
PARKER Nose Piece Assembly Coupling: 1/2 in Coupling Size, Steel, 12 g/min Max. Flow Rate (MPN FEM-502-12FO). Key specifications — Thread Size: 1-1/16"-12; Body Material: Steel; Brand: PARKER.
PARKER Nose Piece Assembly Coupling: 1/2 in Coupling Size, Steel, 12 g/min Max. Flow Rate (MPN FEM-502-10FO). Key specifications — Thread Size: 7/8"-14; Body Material: Steel; Brand: PARKER.
PARKER
PARKER Nose Piece Assembly Coupling: 1/2 in Coupling Size, Steel, 12 g/min Max. Flow Rate (MPN FEM-502-10FO). Key specifications — Thread Size: 7/8"-14; Body Material: Steel; Brand: PARKER.
PARKER Hydraulic Quick Connect Hose Coupling: 1/4 in Coupling Size, Steel, 11.36 lpm Max. Flow Rate (MPN FEM-252-4FP). Key specifications — Thread Size: 1/4"-18; Body Material: Steel; Brand: PARKER.
PARKER
PARKER Hydraulic Quick Connect Hose Coupling: 1/4 in Coupling Size, Steel, 11.36 lpm Max. Flow Rate (MPN FEM-252-4FP). Key specifications — Thread Size: 1/4"-18; Body Material: Steel; Brand: PARKER.