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PARKER Quick Connection Coupling: Coupling Body, 3/8 in Pipe x 1/4 in Pipe x 3/8 in OD Size - Chrome-Plated Brass Quick-Disconnect Tube Fittings
PARKERChrome-Plated Brass Quick-Disconnect Tube Fittings

PARKER Quick Connection Coupling: Coupling Body, 3/8 in Pipe x 1/4 in Pipe x 3/8 in OD Size

The Parker Quick Connection Coupling: Coupling Body is a chrome-plated brass quick-disconnect tube fitting (SKU 5UNL2, MPN 391P-6-4) supplied as a 5-pack with a 3/8 in Pipe x 1/4 in Pipe x 3/8 in OD Size, threaded…

SKU 3G-OTH-653357

Brand
PARKER
Item
Quick Connection Coupling: Coupling Body, 3/8 in Pipe x 1/4 in Pipe x 3/8 in OD Size
Category
Chrome-Plated Brass Quick-Disconnect Tube Fittings
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Technical Specifications

PARKER
Manufacturer Part Number
391P-6-4
Type
3/8 in Pipe x 1/4 in Pipe x 3/8 in OD Size, Threaded, 5 PK
Connection Type
MNPT x Tube Stem
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PARKER Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The Parker Quick Connection Coupling: Coupling Body is a chrome-plated brass quick-disconnect tube fitting (SKU 5UNL2, MPN 391P-6-4) supplied as a 5-pack with a 3/8 in Pipe x 1/4 in Pipe x 3/8 in OD Size, threaded connection type MNPT x Tube Stem.

Frequently Asked Questions

What is the Parker 391P-6-4 quick-disconnect coupling used for?

The Parker 391P-6-4 is a chrome-plated brass quick-disconnect coupling body used in pneumatic and fluid-handling systems. It allows fast, tool-free connection and disconnection of tubing lines, commonly applied in industrial machinery, automation, and instrumentation circuits.

What are the specifications of the Parker 391P-6-4 coupling body?

The Parker 391P-6-4 coupling body has a 3/8 in pipe x 1/4 in pipe x 3/8 in OD size, threaded MNPT x Tube Stem connection, and is supplied as a 5-pack. The body is chrome-plated brass for corrosion resistance. The manufacturer part number is 391P-6-4.

Where to buy Parker 391P-6-4 quick-disconnect couplings worldwide?

3G Electric supplies the Parker 391P-6-4 quick-disconnect coupling body worldwide. As a global industrial sourcing partner, we handle full logistics, customs clearance, and delivery to your facility. Contact us for a quote and lead time on this 5-pack of chrome-plated brass fittings.

How to install a Parker quick-disconnect coupling body?

To install the Parker 391P-6-4 coupling body, apply thread sealant to the MNPT male threads and tighten into the mating port. For the tube stem, push the tubing fully into the stem until seated. Always depressurize the system before connection or disconnection to avoid injury.

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 chrome-plated brass quick-disconnect tube fittings. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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