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

3G Electric
PARKER 6 HLO-S O-Ring Face Seal Steel Compression Fitting Union - O-Ring Face Seal Steel Compression Fittings
PARKERO-Ring Face Seal Steel Compression Fittings

PARKER 6 HLO-S O-Ring Face Seal Steel Compression Fitting Union

The PARKER Compression Fitting Union (MPN 6 HLO-S) is an O-Ring Face Seal Steel Compression Fitting from the Seal-Lok series, sized 3/8 in OD x 3/8 in OD. It is rated for a maximum operating pressure of 9,200 psi.

SKU 3G-OTH-470503

Also listed as: 6HLOS · 6 HLO S · 6-HLO-S

Brand
PARKER
Item
6 HLO-S O-Ring Face Seal Steel Compression Fitting Union
Part Number
6 HLO-S
Category
O-Ring Face Seal Steel Compression 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 HLO-S
Series
Seal-Lok
Max Op Pressure
9,200 psi

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 HLO-S) is an O-Ring Face Seal Steel Compression Fitting from the Seal-Lok series, sized 3/8 in OD x 3/8 in OD. It is rated for a maximum operating pressure of 9,200 psi.

Frequently Asked Questions

What is a PARKER Seal-Lok compression fitting union used for?

The PARKER Seal-Lok compression fitting union (6 HLO-S) is used to connect two 3/8 in OD tubes in hydraulic systems. Its O-ring face seal design provides leak-free performance in high-pressure industrial applications up to 9,200 psi.

What are the specifications of the PARKER 6 HLO-S compression fitting?

The PARKER 6 HLO-S is a Seal-Lok series O-ring face seal steel compression fitting union. It has a 3/8 in OD x 3/8 in OD size and a maximum operating pressure of 9,200 psi. The manufacturer part number is 6 HLO-S.

Where to buy PARKER Seal-Lok fittings in worldwide?

3G Electric supplies PARKER Seal-Lok fittings like the 6 HLO-S union to customers worldwide. We handle full logistics and customs clearance, ensuring reliable delivery for your industrial hydraulic needs.

How to install a PARKER O-ring face seal compression fitting?

To install a PARKER Seal-Lok fitting, ensure the tube end is clean and deburred. Insert the tube fully into the fitting, then tighten the nut to the manufacturer's recommended torque. Always verify the O-ring is seated properly before pressurizing the system.

Used in

Common applications for PARKER
Industrial hydraulic presses — Parker D1VW directional control valves for precise flow direction
Injection molding machines — Parker solenoid coils and valves for cycle control
Material handling equipment — Parker hydraulic hose fittings and plugs for leak-free connections
High-pressure hydraulic systems — Parker extreme-pressure pipe fittings rated to 6,400 psi
Hydraulic filtration — Parker WPF Series filter elements for 5-micron contamination control
Pneumatic instrumentation — Parker A-Lok compression fittings for tubing connections
Not sure this is the right part? Photo-identify it

PARKER Products

3G Electric supplies PARKER o-ring face seal steel 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
This PARKER compression fitting cap is a steel O-ring face seal component from the Seal-Lok series. It features a 1 7/16"-12 thread size and is used to seal the end of a tube or fitting in hydraulic systems, preventing fluid leakage at connection points
PARKER
This PARKER compression fitting cap is a steel O-ring face seal component from the Seal-Lok series. It features a 1 7/16"-12 thread size and is used to seal the end of a tube or fitting in hydraulic systems, preventing fluid leakage at connection points
Steel compression fitting with O-ring face seal, part of the Seal-Lok series. Thread size 1-14". Used to seal the end of tubing in high-pressure hydraulic and pneumatic systems, preventing leaks in fluid power applications
PARKER
Steel compression fitting with O-ring face seal, part of the Seal-Lok series. Thread size 1-14". Used to seal the end of tubing in high-pressure hydraulic and pneumatic systems, preventing leaks in fluid power applications

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first