PARKERParker FET Series Hydraulic Quick-Connect Coupling Bodies

PARKER Hydraulic Quick Connect Hose Coupling: 1/4 in Coupling Size, 316 Stainless Steel

The PARKER FET Series Hydraulic Quick-Connect Coupling Body (MPN FS-251-4FP) is a 1/4" coupling size unit with a 316 Stainless Steel body and FNPT threads (1/4"-18). It features a Fluorocarbon seal material, designed…

SKU 3G-OTH-461763

Brand

PARKER

Item

Hydraulic Quick Connect Hose Coupling: 1/4 in Coupling Size, 316 Stainless Steel

Technical Specifications

PARKER

Manufacturer Part Number

FS-251-4FP 

Type

FNPT 

Thread Size

1/4"-18 

Body Material

316 Stainless Steel 

Seal Material

Fluorocarbon 

Stainless Steel

316

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 FS-251-4FP hydraulic quick connect coupling used for?

The PARKER FS-251-4FP is a 1/4" coupling body from the FET Series, used for quick hydraulic connections in industrial systems. Its 316 stainless steel body and fluorocarbon seal resist corrosion and high temperatures, making it suitable for chemical, marine, and high-pressure fluid handling applications.

What are the specifications of the PARKER FS-251-4FP coupling?

The PARKER FS-251-4FP has a 1/4" coupling size with 1/4"-18 FNPT threads. It features a 316 stainless steel body and a fluorocarbon seal material. This FET Series body is designed for reliable hydraulic connections in demanding environments.

Where to buy the PARKER FS-251-4FP coupling worldwide?

3G Electric supplies the PARKER FS-251-4FP coupling worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this 316 stainless steel quick-connect coupling to your facility. Contact us for a quote and delivery timeline.

How to install the PARKER FS-251-4FP hydraulic coupling?

To install the PARKER FS-251-4FP, ensure threads are clean and apply compatible sealant to the 1/4"-18 FNPT connection. Tighten to manufacturer torque specs using a wrench on the coupling body hex. Avoid over-tightening to prevent damage to the 316 stainless steel or fluorocarbon seal.

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 parker fet series hydraulic quick-connect coupling bodies. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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