We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

PARKER Compression Fitting Adapter: 1/2 in OD x 1/4 in Pipe Fitting Size, Compression x FNPTF - Standard Sleeve Brass Compression Fittings
PARKERStandard Sleeve Brass Compression Fittings

PARKER Compression Fitting Adapter: 1/2 in OD x 1/4 in Pipe Fitting Size, Compression x FNPTF

The PARKER Compression Fitting Adapter (MPN 66C-8-4) is a standard sleeve brass compression fitting with a 1/2 in OD x 1/4 in pipe fitting size, configured as Compression x FNPTF and sold in a 10-pack. This adapter…

SKU 3G-OTH-482072

Brand
PARKER
Item
Compression Fitting Adapter: 1/2 in OD x 1/4 in Pipe Fitting Size, Compression x FNPTF
Category
Standard Sleeve Brass Compression Fittings
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
66C-8-4
Type
Compression x FNPTF, 10 PK
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 Compression Fitting Adapter (MPN 66C-8-4) is a standard sleeve brass compression fitting with a 1/2 in OD x 1/4 in pipe fitting size, configured as Compression x FNPTF and sold in a 10-pack. This adapter is designed for connecting tubing to female NPT threads, leveraging PARKER's engineering for reliable fluid system connections.

Frequently Asked Questions

What is a PARKER compression fitting adapter used for?

A PARKER compression fitting adapter connects tubing to female NPT threaded ports in fluid systems. It is used across industrial applications including pneumatics, hydraulics, and instrumentation where leak-free sealing is required. PARKER engineering ensures reliable performance in demanding environments.

What are the specifications of the PARKER 66C-8-4 compression fitting?

The PARKER 66C-8-4 is a standard sleeve brass compression fitting adapter with a 1/2 in OD tube size and 1/4 in pipe fitting size. It features a Compression x FNPTF configuration and is sold in a 10-pack. This adapter is designed for connecting tubing to female NPT threads.

Where to buy PARKER compression fittings in worldwide?

3G Electric supplies PARKER compression fittings like the 66C-8-4 to customers worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver genuine PARKER components to your facility. Contact us for a quote and delivery options.

How to install a PARKER compression fitting adapter?

To install a PARKER compression fitting adapter, slide the nut and sleeve onto the tubing, insert the tube fully into the fitting body, then tighten the nut by hand followed by a wrench turn per PARKER guidelines. Avoid overtightening to prevent damage. Always verify thread compatibility before assembly.

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 standard sleeve brass compression fittings. 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 Compression Fitting Adapter: 5/8 in OD x 1/2 in Pipe Fitting Size, Compression x FNPTF, 10 PK (MPN 66C-10-8). Key specifications — Brand: PARKER.
PARKER
PARKER Compression Fitting Adapter: 5/8 in OD x 1/2 in Pipe Fitting Size, Compression x FNPTF, 10 PK (MPN 66C-10-8). Key specifications — Brand: PARKER.
PARKER Compression Fitting Union: 3/8 in OD x 3/8 in OD Fitting Size, Brass, 10 PK (MPN 62C-6). Key specifications — Brand: PARKER.
PARKER
PARKER Compression Fitting Union: 3/8 in OD x 3/8 in OD Fitting Size, Brass, 10 PK (MPN 62C-6). Key specifications — Brand: PARKER.
PARKER Compression Fitting Union: 3/8 in OD x 5/8 in OD Fitting Size, Brass, 10 PK (MPN 62C-10-6). Key specifications — Brand: PARKER.
PARKER
PARKER Compression Fitting Union: 3/8 in OD x 5/8 in OD Fitting Size, Brass, 10 PK (MPN 62C-10-6). Key specifications — Brand: PARKER.
PARKER Compression Fitting Coupling: 1/4 in Pipe x 6 mm OD Fitting Size, BSPP x Compression, Brass (MPN 0114 06 13). Key specifications — Brand: PARKER.
PARKER
PARKER Compression Fitting Coupling: 1/4 in Pipe x 6 mm OD Fitting Size, BSPP x Compression, Brass (MPN 0114 06 13). Key specifications — Brand: PARKER.
PARKER Compression Fitting Elbow: 1/2 in OD x 1/2 in Pipe Fitting Size, Compression x FNPTF, 5 PK (MPN 170C-8-8). Key specifications — Brand: PARKER.
PARKER
PARKER Compression Fitting Elbow: 1/2 in OD x 1/2 in Pipe Fitting Size, Compression x FNPTF, 5 PK (MPN 170C-8-8). Key specifications — Brand: PARKER.
PARKER Compression Tee Fitting: 4 mm OD x 4 mm OD x 1/8 in Pipe Fitting Size, Brass (MPN 0108 04 10). Key specifications — Brand: PARKER.
PARKER
PARKER Compression Tee Fitting: 4 mm OD x 4 mm OD x 1/8 in Pipe Fitting Size, Brass (MPN 0108 04 10). Key specifications — Brand: PARKER.
PARKER Compression Fitting Adapter: 3/8 in OD x 3/8 in Pipe Fitting Size, Compression x FNPTF, 10 PK (MPN 66C-6-6). Key specifications — Brand: PARKER.
PARKER
PARKER Compression Fitting Adapter: 3/8 in OD x 3/8 in Pipe Fitting Size, Compression x FNPTF, 10 PK (MPN 66C-6-6). Key specifications — Brand: PARKER.
PARKER Compression Fitting Coupling: 7 mm Pipe x 4 mm OD Fitting Size, Metric x Compression, Brass (MPN 0101 04 55). Key specifications — Brand: PARKER.
PARKER
PARKER Compression Fitting Coupling: 7 mm Pipe x 4 mm OD Fitting Size, Metric x Compression, Brass (MPN 0101 04 55). Key specifications — Brand: PARKER.