Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
PARKER Compression Fitting Adapter: 1/4 in OD x 1/8 in Pipe Fitting Size, Compression x FNPTF - Self-Aligning Brass Compression Fittings
PARKERSelf-Aligning Brass Compression Fittings

PARKER Compression Fitting Adapter: 1/4 in OD x 1/8 in Pipe Fitting Size, Compression x FNPTF

The PARKER Compression Fitting Adapter (MPN 66CA-4-2) is a self-aligning brass compression fitting with a 1/4 in OD x 1/8 in pipe fitting size, configured as Compression x FNPTF. Supplied in a 25-pack, this adapter…

SKU 3G-OTH-470590

Brand
PARKER
Item
Compression Fitting Adapter: 1/4 in OD x 1/8 in Pipe Fitting Size, Compression x FNPTF
Category
Self-Aligning 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
66CA-4-2
Type
Compression x FNPTF, 25 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 66CA-4-2) is a self-aligning brass compression fitting with a 1/4 in OD x 1/8 in pipe fitting size, configured as Compression x FNPTF. Supplied in a 25-pack, this adapter enables secure connections in industrial fluid systems, backed by 3G Electric's specialist sourcing across 14 departments.

Frequently Asked Questions

What is a PARKER compression fitting adapter used for?

A PARKER compression fitting adapter connects tubing to threaded ports in industrial fluid systems. The 66CA-4-2 model joins 1/4 in OD tubing to a 1/8 in FNPTF female thread, creating a leak-resistant seal for pneumatic, hydraulic, or instrumentation lines.

What are the specifications of the PARKER 66CA-4-2?

The PARKER 66CA-4-2 is a self-aligning brass compression fitting adapter with a 1/4 in OD tube size and 1/8 in pipe fitting size, configured as Compression x FNPTF. It is supplied in a 25-pack and is suitable for industrial fluid handling applications.

Where to buy PARKER compression fittings in worldwide?

3G Electric supplies PARKER compression fittings like the 66CA-4-2 to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for a quote on this 25-pack adapter or other industrial fluid system components.

How to install a PARKER compression fitting adapter?

To install a PARKER compression fitting adapter, slide the nut and ferrule over the tubing, insert the tube fully into the fitting body, then tighten the nut by hand followed by a wrench turn. Avoid over-tightening to prevent damage. Always follow manufacturer 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 self-aligning 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: 3/8 in OD x 3/8 in Pipe Fitting Size, Compression x MNPT, 25 PK (MPN 68CA-6-6). Key specifications — Brand: PARKER.
PARKER
PARKER Compression Fitting Adapter: 3/8 in OD x 3/8 in Pipe Fitting Size, Compression x MNPT, 25 PK (MPN 68CA-6-6). Key specifications — Brand: PARKER.
PARKER Compression Fitting Adapter: 1/2 in OD x 1/2 in Pipe Fitting Size, Compression x MNPT, Brass (MPN VS68CA-8-8). Key specifications — Brand: PARKER.
PARKER
PARKER Compression Fitting Adapter: 1/2 in OD x 1/2 in Pipe Fitting Size, Compression x MNPT, Brass (MPN VS68CA-8-8). Key specifications — Brand: PARKER.
PARKER Compression Fitting Elbow: 1/2 in OD x 3/8 in Pipe Fitting Size, Compression x MNPT, 10 PK (MPN 169CA-8-6). Key specifications — Brand: PARKER.
PARKER
PARKER Compression Fitting Elbow: 1/2 in OD x 3/8 in Pipe Fitting Size, Compression x MNPT, 10 PK (MPN 169CA-8-6). Key specifications — Brand: PARKER.
PARKER Compression Fitting Adapter: 1/4 in OD x 1/8 in Pipe Fitting Size, Compression x MNPT, 100 PK (MPN 68CA-4-2). Key specifications — Brand: PARKER.
PARKER
PARKER Compression Fitting Adapter: 1/4 in OD x 1/8 in Pipe Fitting Size, Compression x MNPT, 100 PK (MPN 68CA-4-2). Key specifications — Brand: PARKER.
PARKER Compression Fitting Elbow: 1/4 in OD x 1/8 in Pipe Fitting Size, Compression x FBSPT, Brass (MPN 170CA-4-2). Key specifications — Brand: PARKER.
PARKER
PARKER Compression Fitting Elbow: 1/4 in OD x 1/8 in Pipe Fitting Size, Compression x FBSPT, Brass (MPN 170CA-4-2). Key specifications — Brand: PARKER.
PARKER Compression Fitting Elbow: 3/8 in OD x 3/8 in Pipe Fitting Size, Compression x FNPTF, 10 PK (MPN 170CA-6-6). Key specifications — Brand: PARKER.
PARKER
PARKER Compression Fitting Elbow: 3/8 in OD x 3/8 in Pipe Fitting Size, Compression x FNPTF, 10 PK (MPN 170CA-6-6). Key specifications — Brand: PARKER.
PARKER Compression Fitting Union: 5/16 in OD x 5/16 in OD Fitting Size, Brass, 50 PK (MPN 62CA-5). Key specifications — Brand: PARKER.
PARKER
PARKER Compression Fitting Union: 5/16 in OD x 5/16 in OD Fitting Size, Brass, 50 PK (MPN 62CA-5). Key specifications — Brand: PARKER.
PARKER Compression Fitting Adapter: 5/16 in OD x 1/8 in Pipe Fitting Size, Compression x MNPT, 25 PK (MPN 68CA-5-2). Key specifications — Brand: PARKER.
PARKER
PARKER Compression Fitting Adapter: 5/16 in OD x 1/8 in Pipe Fitting Size, Compression x MNPT, 25 PK (MPN 68CA-5-2). Key specifications — Brand: PARKER.