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 Fitting Size - Single-Ferrule Stainless Steel Fittings
PARKERSingle-Ferrule Stainless Steel Fittings

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

The PARKER Compression Fitting Adapter (MPN 4-6 FBZ-SS) is a single-ferrule stainless steel fitting, Compression x MNPT type, in the CPI™ series. It adapts from 1/4 in OD tube to 3/8 in pipe fitting size and is…

SKU 3G-OTH-474477

Brand
PARKER
Item
Compression Fitting Adapter: 1/4 in OD x 3/8 in Pipe Fitting Size
Category
Single-Ferrule Stainless Steel 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
4-6 FBZ-SS
Series
CPI(TM)
Type
Compression x MNPT
Compatible Fitting Brands
CPI™
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 4-6 FBZ-SS) is a single-ferrule stainless steel fitting, Compression x MNPT type, in the CPI™ series. It adapts from 1/4 in OD tube to 3/8 in pipe fitting size and is compatible with CPI™ brand fittings.

Frequently Asked Questions

What is the PARKER 4-6 FBZ-SS compression fitting adapter used for?

The PARKER 4-6 FBZ-SS is a single-ferrule stainless steel adapter used to transition from 1/4 in OD tubing to a 3/8 in male NPT pipe thread. It is designed for use in instrumentation and process systems requiring leak-tight connections in the CPI™ series.

What are the specifications of the PARKER 4-6 FBZ-SS?

The PARKER 4-6 FBZ-SS is a Compression x MNPT adapter in the CPI™ series. It has a 1/4 in OD tube size and a 3/8 in pipe fitting size. The fitting is single-ferrule stainless steel and is compatible with CPI™ brand fittings.

Where to buy the PARKER 4-6 FBZ-SS worldwide?

3G Electric supplies the PARKER 4-6 FBZ-SS compression fitting adapter to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this CPI™ series single-ferrule stainless steel fitting.

How to install a PARKER single-ferrule compression fitting?

To install a PARKER single-ferrule fitting like the 4-6 FBZ-SS, insert the tube fully into the fitting until it bottoms out. Tighten the nut finger-tight, then use a wrench to tighten the specified number of turns per Parker instructions. Do not overtighten to avoid damaging the ferrule.

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 single-ferrule stainless steel 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 Tee Fitting: 1/8 in OD x 1/8 in Pipe x 1/8 in OD Fitting Size, Stainless Steel (MPN 2-2-2 RBZ-SS). Key specifications — Compatible Fitting Brands: CPI™; Brand: PARKER.
PARKER
PARKER Compression Tee Fitting: 1/8 in OD x 1/8 in Pipe x 1/8 in OD Fitting Size, Stainless Steel (MPN 2-2-2 RBZ-SS). Key specifications — Compatible Fitting Brands: CPI™; Brand: PARKER.
PARKER Compression Tee Fitting: 3/8 in OD x 3/8 in OD x 1/4 in Pipe Fitting Size, Stainless Steel (MPN 6-6-4 OBZ-SS). Key specifications — Compatible Fitting Brands: CPI™; Brand: PARKER.
PARKER
PARKER Compression Tee Fitting: 3/8 in OD x 3/8 in OD x 1/4 in Pipe Fitting Size, Stainless Steel (MPN 6-6-4 OBZ-SS). Key specifications — Compatible Fitting Brands: CPI™; Brand: PARKER.
PARKER Compression Fitting Elbow: 1/4 in OD x 1/8 in Pipe Fitting Size, Compression x MNPT (MPN 4-2 CBZ-SS). Key specifications — Series: CPI(TM); Compatible Fitting Brands: CPI™; Brand: PARKER.
PARKER
PARKER Compression Fitting Elbow: 1/4 in OD x 1/8 in Pipe Fitting Size, Compression x MNPT (MPN 4-2 CBZ-SS). Key specifications — Series: CPI(TM); Compatible Fitting Brands: CPI™; Brand: PARKER.
PARKER Compression Fitting Plug: 3/8 in OD Fitting Size, Compression, Stainless Steel (MPN 6 FNZ-SS). Key specifications — Series: CPI(TM); Compatible Fitting Brands: Parker; Brand: PARKER.
PARKER
PARKER Compression Fitting Plug: 3/8 in OD Fitting Size, Compression, Stainless Steel (MPN 6 FNZ-SS). Key specifications — Series: CPI(TM); Compatible Fitting Brands: Parker; Brand: PARKER.
PARKER Compression Fitting Adapter: 1/4 in OD x 1/2 in Pipe Fitting Size, Compression x MNPT (MPN 4-8 FH4BZ-SS). Key specifications — Series: CPI(TM); Compatible Fitting Brands: CPI™; Brand: PARKER.
PARKER
PARKER Compression Fitting Adapter: 1/4 in OD x 1/2 in Pipe Fitting Size, Compression x MNPT (MPN 4-8 FH4BZ-SS). Key specifications — Series: CPI(TM); Compatible Fitting Brands: CPI™; Brand: PARKER.
PARKER Compression Fitting Nut: 1/4 in OD Fitting Size, Compression, Stainless Steel (MPN 4 BZ-SS). Key specifications — Series: CPI(TM); Compatible Fitting Brands: Swagelok; Brand: PARKER.
PARKER
PARKER Compression Fitting Nut: 1/4 in OD Fitting Size, Compression, Stainless Steel (MPN 4 BZ-SS). Key specifications — Series: CPI(TM); Compatible Fitting Brands: Swagelok; Brand: PARKER.
PARKER Compression Fitting Union: 1/8 in OD x 1/8 in OD Fitting Size, Compression x Compression (MPN 2-2 HBZ-SS). Key specifications — Series: CPI(TM); Compatible Fitting Brands: CPI™; Brand: PARKER.
PARKER
PARKER Compression Fitting Union: 1/8 in OD x 1/8 in OD Fitting Size, Compression x Compression (MPN 2-2 HBZ-SS). Key specifications — Series: CPI(TM); Compatible Fitting Brands: CPI™; Brand: PARKER.
PARKER Compression Fitting Adapter: 3/8 in OD x 1/4 in Pipe Fitting Size, Compression x MNPT (MPN 6-4 FH4BZ-SS). Key specifications — Series: CPI(TM); Compatible Fitting Brands: CPI™; Brand: PARKER.
PARKER
PARKER Compression Fitting Adapter: 3/8 in OD x 1/4 in Pipe Fitting Size, Compression x MNPT (MPN 6-4 FH4BZ-SS). Key specifications — Series: CPI(TM); Compatible Fitting Brands: CPI™; Brand: PARKER.