We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

3G Electric
RFQ CartGet a QuoteSign inSign up
PARKER Compression Fitting Nut: 3/4 in OD Fitting Size, Compression - Double-Ferrule Stainless Steel Fittings
PARKERDouble-Ferrule Stainless Steel Fittings

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

The PARKER Compression Fitting Nut (MPN 12NU12-316) is a double-ferrule stainless steel fitting for 3/4 in OD tubing, part of the A-Lok(R) series. It is compatible with Swagelok fittings, enabling reliable…

SKU 3G-OTH-471274

Brand
PARKER
Item
Compression Fitting Nut: 3/4 in OD Fitting Size, Compression
Category
Double-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
12NU12-316
Series
A-Lok(R)
Type
Compression, Stainless Steel
Compatible Fitting Brands
Swagelok
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 Nut (MPN 12NU12-316) is a double-ferrule stainless steel fitting for 3/4 in OD tubing, part of the A-Lok(R) series. It is compatible with Swagelok fittings, enabling reliable connections in industrial fluid systems.

Frequently Asked Questions

What is the PARKER 12NU12-316 compression fitting nut used for?

The PARKER 12NU12-316 is a double-ferrule stainless steel compression fitting nut for 3/4 in OD tubing. It is part of the A-Lok(R) series and is compatible with Swagelok fittings, providing leak-tight connections in industrial fluid systems such as instrumentation, hydraulic, and process lines.

What are the specifications of the PARKER 12NU12-316?

The PARKER 12NU12-316 is a compression fitting nut with a 3/4 in OD fitting size, made of stainless steel. It belongs to the A-Lok(R) series and is compatible with Swagelok fittings. The manufacturer part number is 12NU12-316, and it is designed for double-ferrule connections in high-pressure fluid systems.

Where to buy the PARKER 12NU12-316 worldwide?

3G Electric supplies the PARKER 12NU12-316 compression fitting nut worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this double-ferrule stainless steel fitting for 3/4 in OD tubing.

How to install the PARKER 12NU12-316 compression fitting nut?

To install the PARKER 12NU12-316, slide the nut and ferrules onto clean, deburred 3/4 in OD tubing. Insert the tube into the fitting body until the tube stop is felt. Hand-tighten the nut, then use a wrench to tighten 1-1/4 turns for a leak-tight seal. Follow Parker A-Lok(R) instructions for best results.

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 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: 1/2 in OD x 1/2 in OD x 1/2 in Pipe Fitting Size, Stainless Steel (MPN 8MBT8N-316). Key specifications — Compatible Fitting Brands: Parker A-LOK; Brand: PARKER.
PARKER
PARKER Compression Tee Fitting: 1/2 in OD x 1/2 in OD x 1/2 in Pipe Fitting Size, Stainless Steel (MPN 8MBT8N-316). Key specifications — Compatible Fitting Brands: Parker A-LOK; Brand: PARKER.
PARKER Compression Fitting Adapter: 1/2 in OD x 1 in Pipe Fitting Size, Compression x MNPT (MPN 8MSC16N-316). Key specifications — Compatible Fitting Brands: Parker A-LOK; Brand: PARKER.
PARKER
PARKER Compression Fitting Adapter: 1/2 in OD x 1 in Pipe Fitting Size, Compression x MNPT (MPN 8MSC16N-316). Key specifications — Compatible Fitting Brands: Parker A-LOK; Brand: PARKER.
PARKER Compression Tee Fitting: 3/8 in OD x 1/4 in Pipe x 3/8 in OD Fitting Size, Stainless Steel (MPN 6FRT4N-316). Key specifications — Compatible Fitting Brands: Parker A-LOK; Brand: PARKER.
PARKER
PARKER Compression Tee Fitting: 3/8 in OD x 1/4 in Pipe x 3/8 in OD Fitting Size, Stainless Steel (MPN 6FRT4N-316). Key specifications — Compatible Fitting Brands: Parker A-LOK; Brand: PARKER.
PARKER Compression Fitting Adapter: 3/16 in OD x 1/4 in Pipe Fitting Size, Compression x MNPT (MPN 3MSC4N-316). Key specifications — Compatible Fitting Brands: Parker A-LOK; Brand: PARKER.
PARKER
PARKER Compression Fitting Adapter: 3/16 in OD x 1/4 in Pipe Fitting Size, Compression x MNPT (MPN 3MSC4N-316). Key specifications — Compatible Fitting Brands: Parker A-LOK; Brand: PARKER.
PARKER Compression Fitting Union: 5/16 in OD x 1/4 in OD Fitting Size, Compression x Compression (MPN 5RU4-316). Key specifications — Compatible Fitting Brands: Parker A-LOK; Brand: PARKER.
PARKER
PARKER Compression Fitting Union: 5/16 in OD x 1/4 in OD Fitting Size, Compression x Compression (MPN 5RU4-316). Key specifications — Compatible Fitting Brands: Parker A-LOK; Brand: PARKER.
PARKER Compression Fitting Plug: 1/16 in OD Fitting Size, Compression, Stainless Steel (MPN 1BLP1-316). Key specifications — Series: A-LOK(R); Compatible Fitting Brands: Parker; Brand: PARKER.
PARKER
PARKER Compression Fitting Plug: 1/16 in OD Fitting Size, Compression, Stainless Steel (MPN 1BLP1-316). Key specifications — Series: A-LOK(R); Compatible Fitting Brands: Parker; Brand: PARKER.
PARKER Compression Fitting Adapter: 1/8 in OD x 1/4 in Pipe Fitting Size, Tube x MNPT (MPN 2MA4N-316). Key specifications — Compatible Fitting Brands: Parker A-LOK; Brand: PARKER.
PARKER
PARKER Compression Fitting Adapter: 1/8 in OD x 1/4 in Pipe Fitting Size, Tube x MNPT (MPN 2MA4N-316). Key specifications — Compatible Fitting Brands: Parker A-LOK; Brand: PARKER.
PARKER Compression Fitting Adapter: 1/4 in OD x 1/2 in Pipe Fitting Size, Compression x MNPT (MPN 4MA8N-316). Key specifications �— Compatible Fitting Brands: Parker A-LOK; Brand: PARKER.
PARKER
PARKER Compression Fitting Adapter: 1/4 in OD x 1/2 in Pipe Fitting Size, Compression x MNPT (MPN 4MA8N-316). Key specifications — Compatible Fitting Brands: Parker A-LOK; Brand: PARKER.