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 3/8 in Pipe Size, Compression x MNPT - Double-Ferrule Brass Compression Fittings
PARKERDouble-Ferrule Brass Compression Fittings

PARKER Compression Fitting Adapter: 1/4 in OD x 3/8 in Pipe Size, Compression x MNPT

The PARKER Compression Fitting Adapter (MPN 4MSC6N-B) is a double-ferrule brass compression fitting, type Compression x MNPT, with a 1/4 in OD x 3/8 in Pipe Size. It is compatible with Parker A-LOK fitting brands…

SKU 3G-OTH-473478

Brand
PARKER
Item
Compression Fitting Adapter: 1/4 in OD x 3/8 in Pipe Size, Compression x MNPT
Category
Double-Ferrule 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
4MSC6N-B
Type
Compression x MNPT, Brass
Compatible Fitting Brands
Parker A-LOK
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 4MSC6N-B) is a double-ferrule brass compression fitting, type Compression x MNPT, with a 1/4 in OD x 3/8 in Pipe Size. It is compatible with Parker A-LOK fitting brands, providing a reliable connection for industrial tubing systems.

Frequently Asked Questions

What is the PARKER 4MSC6N-B compression fitting adapter used for?

The PARKER 4MSC6N-B adapter connects 1/4 in OD tubing to a 3/8 in male NPT port in industrial tubing systems. Its double-ferrule brass design provides a leak-tight seal, making it suitable for pneumatic, hydraulic, and instrumentation applications where reliable fluid or gas handling is required.

What are the specifications of the PARKER 4MSC6N-B?

The PARKER 4MSC6N-B is a double-ferrule brass compression fitting adapter with Compression x MNPT ends. It fits 1/4 in OD tubing and 3/8 in pipe size. It is compatible with Parker A-LOK fitting brands and is made of brass for corrosion resistance in industrial environments.

Where to buy the PARKER 4MSC6N-B worldwide?

3G Electric supplies the PARKER 4MSC6N-B compression fitting adapter to customers worldwide. As a global industrial sourcing partner, we handle logistics, customs clearance, and delivery to your location. Contact us for a quote and lead time on this genuine PARKER part.

How to install a PARKER double-ferrule compression fitting?

To install the PARKER 4MSC6N-B, slide the nut and ferrules onto the tubing, then insert the tube fully into the fitting body. Tighten the nut by hand, then use a wrench to tighten an additional 1-1/4 turns for proper ferrule bite. Always follow the manufacturer's torque specifications for leak-free connections.

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 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 Ferrule: 3/8 in OD Size, Compression, Brass (MPN 6FF6-B). Key specifications — Compatible Fitting Brands: Swagelok; Brand: PARKER; Series: A-LOK(R).
PARKER
PARKER Compression Fitting Ferrule: 3/8 in OD Size, Compression, Brass (MPN 6FF6-B). Key specifications — Compatible Fitting Brands: Swagelok; Brand: PARKER; Series: A-LOK(R).
PARKER Compression Tee Fitting: 3/4 in OD x 3/4 in OD x 3/4 in OD Size, Brass (MPN 12ET12-B). Key specifications — Compatible Fitting Brands: Parker A-LOK; Brand: PARKER.
PARKER
PARKER Compression Tee Fitting: 3/4 in OD x 3/4 in OD x 3/4 in OD Size, Brass (MPN 12ET12-B). Key specifications — Compatible Fitting Brands: Parker A-LOK; Brand: PARKER.
PARKER Compression Fitting Nut: 1/4 in OD Size, Compression, Brass, 7/16"-20 Thread Size (MPN 4NU4-B). Key specifications — Compatible Fitting Brands: Swagelok; Brand: PARKER; Series: A-Lok(R).
PARKER
PARKER Compression Fitting Nut: 1/4 in OD Size, Compression, Brass, 7/16"-20 Thread Size (MPN 4NU4-B). Key specifications — Compatible Fitting Brands: Swagelok; Brand: PARKER; Series: A-Lok(R).
PARKER Compression Fitting Adapter: 5/8 in OD x 1/2 in Pipe Size, Compression x MNPT, Brass (MPN 10MSC8N-B). Key specifications — Compatible Fitting Brands: Parker A-LOK; Brand: PARKER.
PARKER
PARKER Compression Fitting Adapter: 5/8 in OD x 1/2 in Pipe Size, Compression x MNPT, Brass (MPN 10MSC8N-B). Key specifications — Compatible Fitting Brands: Parker A-LOK; Brand: PARKER.
PARKER Compression Fitting Union: 3/4 in OD x 3/4 in OD Size, Compression x Compression, Brass (MPN 12SC12-B). Key specifications — Compatible Fitting Brands: Parker A-LOK; Brand: PARKER.
PARKER
PARKER Compression Fitting Union: 3/4 in OD x 3/4 in OD Size, Compression x Compression, Brass (MPN 12SC12-B). Key specifications — Compatible Fitting Brands: Parker A-LOK; Brand: PARKER.
PARKER Compression Fitting Elbow: 3/8 in OD x 1/4 in Pipe Size, Compression x MNPT, Brass (MPN 6MSEL4N-B). Key specifications — Compatible Fitting Brands: Parker A-LOK; Brand: PARKER.
PARKER
PARKER Compression Fitting Elbow: 3/8 in OD x 1/4 in Pipe Size, Compression x MNPT, Brass (MPN 6MSEL4N-B). Key specifications — Compatible Fitting Brands: Parker A-LOK; Brand: PARKER.
PARKER Compression Fitting Cap: 3/8 in OD Size, Compression, Brass, 9/16"-20 Thread Size (MPN 6BLP6-B). Key specifications — Compatible Fitting Brands: Parker; Brand: PARKER; Series: A-LOK(R).
PARKER
PARKER Compression Fitting Cap: 3/8 in OD Size, Compression, Brass, 9/16"-20 Thread Size (MPN 6BLP6-B). Key specifications — Compatible Fitting Brands: Parker; Brand: PARKER; Series: A-LOK(R).
PARKER Compression Fitting Adapter: 3/8 in OD x 3/8 in Pipe Size, Compression x MNPT, Brass (MPN 6MSC6N-B). Key specifications — Compatible Fitting Brands: Parker A-LOK; Brand: PARKER.
PARKER
PARKER Compression Fitting Adapter: 3/8 in OD x 3/8 in Pipe Size, Compression x MNPT, Brass (MPN 6MSC6N-B). Key specifications — Compatible Fitting Brands: Parker A-LOK; Brand: PARKER.