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

PARKER Compression Fitting Union: 3/8 in OD x 1/4 in OD Fitting Size - Single-Ferrule Stainless Steel Fittings
PARKERSingle-Ferrule Stainless Steel Fittings

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

The PARKER Compression Fitting Union (MPN 6-4 HBZ-SS) is a single-ferrule stainless steel fitting with a 3/8 in OD x 1/4 in OD Compression x Compression configuration. Part of the CPI™ series, it is compatible with…

SKU 3G-OTH-474511

Also listed as: 64HBZSS · 6 4 HBZ SS · 6-4-HBZ-SS

Brand
PARKER
Item
Compression Fitting Union: 3/8 in OD x 1/4 in OD Fitting Size
Category
Single-Ferrule Stainless Steel Fittings
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
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

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

PARKER
Manufacturer Part Number
6-4 HBZ-SS
Series
CPI(TM)
Type
Compression x Compression
Compatible Fitting Brands
CPI™

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 Union (MPN 6-4 HBZ-SS) is a single-ferrule stainless steel fitting with a 3/8 in OD x 1/4 in OD Compression x Compression configuration. Part of the CPI™ series, it is compatible with CPI™ fitting brands.

Frequently Asked Questions

What is the PARKER 6-4 HBZ-SS compression fitting union used for?

The PARKER 6-4 HBZ-SS is a single-ferrule stainless steel compression fitting union used to join two tubes of different diameters (3/8 in OD to 1/4 in OD) in industrial fluid systems. It is part of the CPI™ series and is compatible with CPI™ fitting brands for leak-free connections in instrumentation and process lines.

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

The PARKER 6-4 HBZ-SS is a Compression x Compression union with fitting sizes of 3/8 in OD and 1/4 in OD. It is made of stainless steel, part of the CPI™ series, and compatible with CPI™ fitting brands. The manufacturer part number is 6-4 HBZ-SS.

Where to buy the PARKER 6-4 HBZ-SS compression fitting union worldwide?

3G Electric supplies the PARKER 6-4 HBZ-SS compression fitting union worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver this CPI™ series fitting to your facility. Contact us for availability and lead time.

How to install a PARKER single-ferrule compression fitting?

To install a PARKER single-ferrule compression fitting like the 6-4 HBZ-SS, cut the tube square, deburr, and slide the nut and ferrule onto the tube. Insert the tube into the fitting body until it bottoms out, then tighten the nut to the manufacturer’s recommended torque. Always follow PARKER’s installation guidelines for CPI™ series fittings.

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 Fitting Plug: 3/8 in OD Fitting Size, Compression, Stainless Steel (MPN 6 FNZ-SS)
PARKER
PARKER Compression Fitting Plug: 3/8 in OD Fitting Size, Compression, Stainless Steel (MPN 6 FNZ-SS)
PARKER Compression Fitting Adapter: 1/4 in OD x 1/2 in Pipe Fitting Size, Compression x MNPT (MPN 4-8 FH4BZ-SS)
PARKER
PARKER Compression Fitting Adapter: 1/4 in OD x 1/2 in Pipe Fitting Size, Compression x MNPT (MPN 4-8 FH4BZ-SS)
PARKER Compression Fitting Nut: 1/4 in OD Fitting Size, Compression, Stainless Steel (MPN 4 BZ-SS)
PARKER
PARKER Compression Fitting Nut: 1/4 in OD Fitting Size, Compression, Stainless Steel (MPN 4 BZ-SS)
PARKER Compression Fitting Union: 1/8 in OD x 1/8 in OD Fitting Size, Compression x Compression (MPN 2-2 HBZ-SS)
PARKER
PARKER Compression Fitting Union: 1/8 in OD x 1/8 in OD Fitting Size, Compression x Compression (MPN 2-2 HBZ-SS)
PARKER Compression Fitting Adapter: 3/8 in OD x 1/4 in Pipe Fitting Size, Compression x MNPT (MPN 6-4 FH4BZ-SS)
PARKER
PARKER Compression Fitting Adapter: 3/8 in OD x 1/4 in Pipe Fitting Size, Compression x MNPT (MPN 6-4 FH4BZ-SS)
PARKER Compression Fitting Adapter: 1/8 in OD x 1/4 in Pipe Fitting Size, Compression x MNPT (MPN 2-4 FH4BZ-SS)
PARKER
PARKER Compression Fitting Adapter: 1/8 in OD x 1/4 in Pipe Fitting Size, Compression x MNPT (MPN 2-4 FH4BZ-SS)
PARKER Compression Fitting Adapter: 1/4 in OD x 3/8 in OD Fitting Size, Compression x Compression (MPN 4-6 TRBZ-SS)
PARKER
PARKER Compression Fitting Adapter: 1/4 in OD x 3/8 in OD Fitting Size, Compression x Compression (MPN 4-6 TRBZ-SS)
PARKER Compression Fitting Elbow: 3/8 in OD x 3/8 in Pipe Fitting Size, Compression x MNPT (MPN 6-6 CBZ-SS)
PARKER
PARKER Compression Fitting Elbow: 3/8 in OD x 3/8 in Pipe Fitting Size, Compression x MNPT (MPN 6-6 CBZ-SS)