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

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

The Parker 391P-4-4 Quick Connection Coupling is a chrome-plated brass quick-disconnect tube fitting coupling body with a 1/4 in pipe x 1/4 in pipe x 1/4 in OD size, threaded, sold in a 5-pack. It features an MNPT x…

SKU 3G-OTH-653421

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

PARKER
Manufacturer Part Number
391P-4-4
Type
1/4 in Pipe x 1/4 in Pipe x 1/4 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 391P-4-4 Quick Connection Coupling is a chrome-plated brass quick-disconnect tube fitting coupling body with a 1/4 in pipe x 1/4 in pipe x 1/4 in OD size, threaded, sold in a 5-pack. It features an MNPT x Tube Stem connection type, designed for straightforward installation in industrial fluid systems.

Frequently Asked Questions

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

The Parker 391P-4-4 is a chrome-plated brass quick-disconnect coupling body used in industrial fluid systems for fast, tool-free connection and disconnection of pneumatic or hydraulic lines. It is ideal for applications requiring frequent line changes, such as assembly tools, air tools, and fluid transfer systems.

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

The Parker 391P-4-4 coupling body has a 1/4 in pipe x 1/4 in pipe x 1/4 in OD size, threaded connection, with an MNPT x Tube Stem connection type. It is sold in a 5-pack, made of chrome-plated brass, and is designed for durable, leak-resistant performance in industrial fluid systems.

Where to buy the Parker 391P-4-4 coupling worldwide?

3G Electric supplies the Parker 391P-4-4 quick-disconnect coupling body to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this 5-pack of chrome-plated brass couplings.

How to install the Parker 391P-4-4 quick-disconnect coupling?

To install the Parker 391P-4-4 coupling body, apply thread sealant to the MNPT threads and tighten into the mating port. For the tube stem, insert the tube fully and secure with the appropriate ferrule or nut. Ensure system pressure is off before connection. Follow Parker's guidelines for torque and tube support.

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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