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PARKER Compression Fitting Adapter: 1/4 in OD x 1/4 in Pipe Fitting Size - Double-Ferrule Stainless Steel Fittings
PARKERDouble-Ferrule Stainless Steel Fittings

PARKER Compression Fitting Adapter: 1/4 in OD x 1/4 in Pipe Fitting Size

The PARKER Compression Fitting Adapter (MPN 4-4 T2HG-SS) is a double-ferrule stainless steel fitting with a 1/4 in OD x 1/4 in Pipe Fitting Size, Compression x FNPT configuration. Part of the CPI(TM) series, it is…

SKU 3G-OTH-471854

Brand
PARKER
Item
Compression Fitting Adapter: 1/4 in OD x 1/4 in Pipe Fitting Size
Category
Double-Ferrule Stainless Steel Fittings
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Technical Specifications

PARKER
Manufacturer Part Number
4-4 T2HG-SS
Series
CPI(TM)
Type
Compression x FNPT
Compatible Fitting Brands
CPI™
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PARKER Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The PARKER Compression Fitting Adapter (MPN 4-4 T2HG-SS) is a double-ferrule stainless steel fitting with a 1/4 in OD x 1/4 in Pipe Fitting Size, Compression x FNPT configuration. Part of the CPI(TM) series, it is compatible with CPI™ fitting brands.

Frequently Asked Questions

What is a PARKER Compression Fitting Adapter used for?

This PARKER double-ferrule stainless steel adapter connects 1/4 in OD tubing to a 1/4 in FNPT threaded port. It is used in instrumentation, hydraulic, and pneumatic systems where leak-tight, vibration-resistant connections are required in industrial process lines.

What are the specifications of the PARKER 4-4 T2HG-SS fitting?

The PARKER 4-4 T2HG-SS is a CPI(TM) series compression x FNPT adapter. It has a 1/4 in OD tube size and 1/4 in pipe thread, made of stainless steel with double-ferrule design. It is compatible with CPI™ fitting brands for reliable sealing.

Where to buy PARKER compression fittings in worldwide?

3G Electric supplies and delivers PARKER compression fittings worldwide. As a global industrial sourcing partner, we handle logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on the 4-4 T2HG-SS adapter.

How to install a double-ferrule compression fitting?

Insert the tube fully into the fitting until it bottoms against the shoulder. Hand-tighten the nut, then use a wrench to tighten 1-1/4 turns for stainless steel. Do not overtighten. Always follow PARKER's recommended torque values for CPI(TM) series fittings.

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 double-ferrule stainless steel fittings. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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PARKER Compression Fitting Adapter: 1/2 in OD x 1/2 in OD Fitting Size, Compression x Compression (MPN 8PC8-316). Key specifications — Compatible Fitting Brands: Parker A-LOK; Brand: PARKER.
PARKER Compression Fitting Adapter: 3/4 in OD x 3/4 in Pipe Fitting Size, Compression x FNPT (MPN 12FSC12N-316). Key specifications — Compatible Fitting Brands: Parker A-LOK; Brand: PARKER; Fitting Size: 3/4 in OD x 3/4 in Pipe.
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PARKER Compression Fitting Adapter: 3/4 in OD x 3/4 in Pipe Fitting Size, Compression x FNPT (MPN 12FSC12N-316). Key specifications — Compatible Fitting Brands: Parker A-LOK; Brand: PARKER; Fitting Size: 3/4 in OD x 3/4 in Pipe.
PARKER Compression Fitting Ferrule: 3/16 in OD Fitting Size, Compression, Stainless Steel (MPN 3FF3-316). Key specifications — Series: A-LOK(R); Compatible Fitting Brands: Swagelok; Brand: PARKER.
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PARKER Compression Fitting Ferrule: 3/16 in OD Fitting Size, Compression, Stainless Steel (MPN 3FF3-316). Key specifications — Series: A-LOK(R); Compatible Fitting Brands: Swagelok; Brand: PARKER.
PARKER Compression Fitting Adapter: 3/8 in OD x 1/2 in Pipe Fitting Size, Compression x MNPT (MPN 6MTC8N-316). Key specifications — Compatible Fitting Brands: Parker A-LOK; Brand: PARKER.
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PARKER Compression Fitting Adapter: 3/8 in OD x 1/2 in Pipe Fitting Size, Compression x MNPT (MPN 6MTC8N-316). Key specifications — Compatible Fitting Brands: Parker A-LOK; Brand: PARKER.
PARKER Compression Fitting Elbow: 3/8 in OD x 3/4 in Pipe Fitting Size, Compression x MNPT (MPN 6MSEL12N-316). Key specifications — Compatible Fitting Brands: Parker A-LOK; Brand: PARKER; Fitting Size: 3/8 in OD x 3/4 in Pipe.
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PARKER Compression Fitting Elbow: 3/8 in OD x 3/4 in Pipe Fitting Size, Compression x MNPT (MPN 6MSEL12N-316). Key specifications — Compatible Fitting Brands: Parker A-LOK; Brand: PARKER; Fitting Size: 3/8 in OD x 3/4 in Pipe.
PARKER Compression Fitting Adapter: 1/4 in OD x 1/4 in Pipe Fitting Size, Compression x MNPT (MPN 4-4 T2HF-SS). Key specifications — Series: CPI(TM); Compatible Fitting Brands: CPI™; Brand: PARKER.
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PARKER Compression Fitting Plug: 1/8 in OD Fitting Size, Compression, Stainless Steel (MPN 2BLP2-316). Key specifications — Series: A-LOK(R); Compatible Fitting Brands: Parker; Brand: PARKER.
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PARKER Compression Fitting Plug: 1/8 in OD Fitting Size, Compression, Stainless Steel (MPN 2BLP2-316). Key specifications — Series: A-LOK(R); Compatible Fitting Brands: Parker; Brand: PARKER.