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: 3/8 in OD x 3/8 in Pipe Fitting Size, Compression x FNPTF - Standard Sleeve Brass Compression Fittings
PARKERStandard Sleeve Brass Compression Fittings

PARKER Compression Fitting Adapter: 3/8 in OD x 3/8 in Pipe Fitting Size, Compression x FNPTF

The PARKER Compression Fitting Adapter (MPN 66C-6-6) is a standard sleeve brass compression fitting, type Compression x FNPTF, supplied in a 10-pack. It connects 3/8 in OD tubing to a 3/8 in pipe fitting. 3G Electric…

SKU 3G-OTH-482251

Brand
PARKER
Item
Compression Fitting Adapter: 3/8 in OD x 3/8 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-6-6
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-6-6) is a standard sleeve brass compression fitting, type Compression x FNPTF, supplied in a 10-pack. It connects 3/8 in OD tubing to a 3/8 in pipe fitting. 3G Electric interprets your demand for this OEM part, sources it, and supports your application across 14 industrial departments, with specialist depth in combustion, pumps, and controls.

Frequently Asked Questions

What is the PARKER 66C-6-6 compression fitting adapter used for?

The PARKER 66C-6-6 adapter connects 3/8 in OD tubing to a 3/8 in FNPTF pipe thread. It is a standard sleeve brass compression fitting used in pneumatic, hydraulic, and instrumentation systems to create leak-proof joints in industrial fluid and gas lines.

What are the specifications of the PARKER 66C-6-6 compression fitting?

The PARKER 66C-6-6 is a brass compression fitting adapter with type Compression x FNPTF. It fits 3/8 in OD tubing and 3/8 in pipe size. Supplied in a 10-pack, it is a standard sleeve design for reliable sealing in industrial applications.

Where to buy PARKER 66C-6-6 compression fittings worldwide?

3G Electric supplies the PARKER 66C-6-6 compression fitting adapter worldwide. We interpret your demand, source the OEM part, and handle logistics and customs for delivery to your facility. Contact us for availability and lead time.

How to install a PARKER compression fitting adapter?

To install the PARKER 66C-6-6, slide the nut and sleeve onto the tubing, insert the tube fully into the fitting body, then tighten the nut by hand. Use a wrench to tighten an additional 1/4 to 1/2 turn for a leak-free seal. Avoid overtightening.

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 Coupling: 3/8 in Pipe x 6 mm OD Fitting Size, BSPP x Compression, Brass (MPN 0114 06 17). Key specifications — Brand: PARKER.
PARKER
PARKER Compression Fitting Coupling: 3/8 in Pipe x 6 mm OD Fitting Size, BSPP x Compression, Brass (MPN 0114 06 17). Key specifications — Brand: PARKER.
PARKER Compression Fitting Nut: 5/16 in OD Fitting Size, Compression, Brass, 10 PK (MPN 61C-5). Key specifications — Brand: PARKER.
PARKER
PARKER Compression Fitting Nut: 5/16 in OD Fitting Size, Compression, Brass, 10 PK (MPN 61C-5). Key specifications — Brand: PARKER.
PARKER Compression Tee Fitting: 1/4 in OD x 1/8 in Pipe x 1/4 in OD Fitting Size, Brass, 10 PK (MPN 171C-4-2). Key specifications — Brand: PARKER.
PARKER
PARKER Compression Tee Fitting: 1/4 in OD x 1/8 in Pipe x 1/4 in OD Fitting Size, Brass, 10 PK (MPN 171C-4-2). Key specifications — Brand: PARKER.
PARKER Tube Insert: 1/8 in OD Fitting Size, Compression, Brass, 15/32 in Overall Lg (MPN 63PT-2-16). Key specifications — Brand: PARKER.
PARKER
PARKER Tube Insert: 1/8 in OD Fitting Size, Compression, Brass, 15/32 in Overall Lg (MPN 63PT-2-16). Key specifications — Brand: PARKER.
PARKER Compression Fitting Elbow: 1/2 in OD x 1/2 in OD Fitting Size, Brass, 10 PK (MPN 165C-8). Key specifications — Brand: PARKER.
PARKER
PARKER Compression Fitting Elbow: 1/2 in OD x 1/2 in OD Fitting Size, Brass, 10 PK (MPN 165C-8). Key specifications — Brand: PARKER.
PARKER Compression Fitting Elbow: 1/4 in OD Fitting Size, Compression x Compression, Brass (MPN 165C-4). Key specifications — Brand: PARKER.
PARKER
PARKER Compression Fitting Elbow: 1/4 in OD Fitting Size, Compression x Compression, Brass (MPN 165C-4). Key specifications — Brand: PARKER.
PARKER Compression Fitting Coupling: 3/8 in Pipe x 8 mm OD Fitting Size, BSPP x Compression, Brass (MPN 0114 08 17). Key specifications — Brand: PARKER.
PARKER
PARKER Compression Fitting Coupling: 3/8 in Pipe x 8 mm OD Fitting Size, BSPP x Compression, Brass (MPN 0114 08 17). Key specifications — Brand: PARKER.
PARKER Compression Fitting Adapter: 3/8 in OD x 3/8 in Pipe Fitting Size, Compression x MNPT, 10 PK (MPN 68C-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, 10 PK (MPN 68C-6-6). Key specifications — Brand: PARKER.