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 Ferrule: 3/4 in OD Size, Compression - Double-Ferrule Brass Compression Fittings
PARKERDouble-Ferrule Brass Compression Fittings

PARKER Compression Fitting Ferrule: 3/4 in OD Size, Compression

The PARKER Compression Fitting Ferrule (SKU 3G-OTH-473526) is a double-ferrule brass compression fitting with a 3/4 in OD size, part of the A-LOK(R) series. It is compatible with Swagelok fitting brands, offering a…

SKU 3G-OTH-473526

Also listed as: 12FF12B · 12FF12 B

Brand
PARKER
Item
Compression Fitting Ferrule: 3/4 in OD Size, Compression
Category
Double-Ferrule Brass 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
12FF12-B
Series
A-LOK(R)
Type
Compression, Brass
Compatible Fitting Brands
Swagelok

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 Ferrule (SKU 3G-OTH-473526) is a double-ferrule brass compression fitting with a 3/4 in OD size, part of the A-LOK(R) series. It is compatible with Swagelok fitting brands, offering a reliable connection for industrial tubing systems.

Frequently Asked Questions

What is a PARKER A-LOK double-ferrule compression fitting used for?

The PARKER A-LOK double-ferrule brass compression fitting (MPN 12FF12-B) creates a leak-tight seal on 3/4 in OD tubing in industrial fluid systems. It is compatible with Swagelok fittings and is commonly used in instrumentation, hydraulic, and process control applications where reliable connections are critical.

What are the specifications of the PARKER 12FF12-B ferrule?

The PARKER 12FF12-B is a double-ferrule brass compression fitting from the A-LOK series. It has a 3/4 in OD size, is made of brass, and is compatible with Swagelok fitting brands. It is designed for industrial tubing systems requiring secure, vibration-resistant connections.

Where to buy PARKER compression fittings in worldwide?

3G Electric supplies PARKER A-LOK compression fittings, including the 12FF12-B ferrule, to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this brass double-ferrule fitting.

How to install a double-ferrule compression fitting?

To install a PARKER A-LOK double-ferrule fitting, slide the nut and ferrules onto the tubing, insert the tube into the fitting body until it bottoms, then tighten the nut by hand. Use a wrench to tighten 1-1/4 turns past hand-tight for a proper seal. Always follow the manufacturer's instructions for torque and tube preparation.

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: 5/8 in OD Size, Compression, Brass (MPN 10BF10-B)
PARKER
PARKER Compression Fitting Ferrule: 5/8 in OD Size, Compression, Brass (MPN 10BF10-B)
PARKER Compression Fitting Ferrule: 3/4 in OD Size, Compression, Brass (MPN 12BF12-B)
PARKER
PARKER Compression Fitting Ferrule: 3/4 in OD Size, Compression, Brass (MPN 12BF12-B)
PARKER Compression Fitting Ferrule: 5/8 in OD Size, Compression, Brass (MPN 10FF10-B)
PARKER
PARKER Compression Fitting Ferrule: 5/8 in OD Size, Compression, Brass (MPN 10FF10-B)
PARKER Compression Fitting Union: 1/8 in OD x 1/8 in OD Size, Compression x Compression, Brass (MPN 2SC2-B)
PARKER
PARKER Compression Fitting Union: 1/8 in OD x 1/8 in OD Size, Compression x Compression, Brass (MPN 2SC2-B)
PARKER Compression Fitting Elbow: 5/8 in OD x 1/2 in Pipe Size, Compression x MNPT, Brass (MPN 10MSEL8N-B)
PARKER
PARKER Compression Fitting Elbow: 5/8 in OD x 1/2 in Pipe Size, Compression x MNPT, Brass (MPN 10MSEL8N-B)
PARKER Compression Tee Fitting: 3/8 in OD x 3/8 in OD x 3/8 in OD Size, Brass, 9/16"-20 Thread Size (MPN 6ET6-B)
PARKER
PARKER Compression Tee Fitting: 3/8 in OD x 3/8 in OD x 3/8 in OD Size, Brass, 9/16"-20 Thread Size (MPN 6ET6-B)
PARKER Compression Fitting Ferrule: 1 in OD Size, Compression, Brass (MPN 16FF16-B)
PARKER
PARKER Compression Fitting Ferrule: 1 in OD Size, Compression, Brass (MPN 16FF16-B)
PARKER Compression Fitting Adapter: 1/8 in OD x 1/8 in Pipe Size, Compression x MNPT, Brass (MPN 2MSC2N-B)
PARKER
PARKER Compression Fitting Adapter: 1/8 in OD x 1/8 in Pipe Size, Compression x MNPT, Brass (MPN 2MSC2N-B)