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 Nut: 5/16 in OD Fitting Size, Compression - Double-Ferrule Stainless Steel Fittings
PARKERDouble-Ferrule Stainless Steel Fittings

PARKER Compression Fitting Nut: 5/16 in OD Fitting Size, Compression

The PARKER Compression Fitting Nut (MPN 5NU5-316) is a double-ferrule stainless steel fitting for 5/16 in OD tubing, part of the A-Lok(R) series. It is compatible with Swagelok fitting brands, enabling secure…

SKU 3G-OTH-471383

Brand
PARKER
Item
Compression Fitting Nut: 5/16 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
5NU5-316
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 5NU5-316) is a double-ferrule stainless steel fitting for 5/16 in OD tubing, part of the A-Lok(R) series. It is compatible with Swagelok fitting brands, enabling secure connections in industrial fluid systems.

Frequently Asked Questions

What is the PARKER 5NU5-316 compression fitting nut used for?

The PARKER 5NU5-316 is a double-ferrule stainless steel compression fitting nut for 5/16 in OD tubing. It is used in industrial fluid systems to create leak-tight connections, compatible with Swagelok fitting brands. 3G Electric supplies this component across 14 industrial departments.

What are the specifications of the PARKER 5NU5-316?

The PARKER 5NU5-316 is a compression fitting nut from the A-Lok(R) series. It is made of stainless steel, fits 5/16 in OD tubing, and is compatible with Swagelok fitting brands. The manufacturer part number is 5NU5-316. 3G Electric sources this genuine PARKER component for global delivery.

Where to buy PARKER 5NU5-316 worldwide?

3G Electric supplies the PARKER 5NU5-316 compression fitting nut worldwide. As a global industrial solutions provider, we handle logistics, customs, and delivery to your location. Contact us to order this genuine PARKER A-Lok(R) series component for your fluid system needs.

How to install a PARKER double-ferrule compression fitting?

To install a PARKER double-ferrule compression fitting like the 5NU5-316, slide the nut and ferrules onto the tubing, insert the tube into the fitting body, and tighten the nut to the manufacturer's recommended torque. 3G Electric provides technical support for proper installation of PARKER and Swagelok-compatible 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 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 Fitting Nut: 1/16 in OD Fitting Size, Compression, Stainless Steel (MPN 1NU1-316). Key specifications — Series: A-Lok(R); Compatible Fitting Brands: Swagelok; Brand: PARKER.
PARKER
PARKER Compression Fitting Nut: 1/16 in OD Fitting Size, Compression, Stainless Steel (MPN 1NU1-316). Key specifications — Series: A-Lok(R); Compatible Fitting Brands: Swagelok; Brand: PARKER.
PARKER Compression Cross Fitting: 3/8 in OD x 3/8 in OD x 3/8 in OD x 3/8 in OD Fitting Size (MPN 6ECR6-316). Key specifications — Compatible Fitting Brands: Parker A-LOK; Brand: PARKER.
PARKER
PARKER Compression Cross Fitting: 3/8 in OD x 3/8 in OD x 3/8 in OD x 3/8 in OD Fitting Size (MPN 6ECR6-316). Key specifications — Compatible Fitting Brands: Parker A-LOK; Brand: PARKER.
PARKER Compression Tee Fitting: 1/8 in OD x 1/8 in OD x 1/8 in Pipe Fitting Size, Stainless Steel (MPN 2FBT2N-316). Key specifications — Compatible Fitting Brands: Parker A-LOK; Brand: PARKER.
PARKER
PARKER Compression Tee Fitting: 1/8 in OD x 1/8 in OD x 1/8 in Pipe Fitting Size, Stainless Steel (MPN 2FBT2N-316). Key specifications — Compatible Fitting Brands: Parker A-LOK; Brand: PARKER.
PARKER Compression Fitting Cap: 1 in OD Fitting Size, Compression, Stainless Steel (MPN 16BLEN16-316). Key specifications — Series: A-LOK(R); Compatible Fitting Brands: Parker; Brand: PARKER.
PARKER
PARKER Compression Fitting Cap: 1 in OD Fitting Size, Compression, Stainless Steel (MPN 16BLEN16-316). Key specifications — Series: A-LOK(R); Compatible Fitting Brands: Parker; Brand: PARKER.
PARKER Compression Fitting Union: 1/16 in OD x 1/16 in OD Fitting Size, Compression x Compression (MPN 1BC1-316). Key specifications — Compatible Fitting Brands: Parker A-LOK; Brand: PARKER; Fitting Size: 1/16 in OD x 1/16 in OD.
PARKER
PARKER Compression Fitting Union: 1/16 in OD x 1/16 in OD Fitting Size, Compression x Compression (MPN 1BC1-316). Key specifications — Compatible Fitting Brands: Parker A-LOK; Brand: PARKER; Fitting Size: 1/16 in OD x 1/16 in OD.
PARKER Compression Fitting Ferrule: 5/16 in OD Fitting Size, Compression, Stainless Steel (MPN 5BF5-316). Key specifications — Series: A-LOK(R); Compatible Fitting Brands: Swagelok; Brand: PARKER.
PARKER
PARKER Compression Fitting Ferrule: 5/16 in OD Fitting Size, Compression, Stainless Steel (MPN 5BF5-316). Key specifications — Series: A-LOK(R); Compatible Fitting Brands: Swagelok; Brand: PARKER.
PARKER Compression Fitting Elbow: 5/8 in OD x 5/8 in OD Fitting Size, Compression x Compression (MPN 10EE10-316). Key specifications — Compatible Fitting Brands: Parker A-LOK; Brand: PARKER.
PARKER
PARKER Compression Fitting Elbow: 5/8 in OD x 5/8 in OD Fitting Size, Compression x Compression (MPN 10EE10-316). Key specifications — Compatible Fitting Brands: Parker A-LOK; Brand: PARKER.
PARKER Compression Fitting Adapter: 1/8 in OD x 1/4 in Pipe Fitting Size, Compression x MNPT (MPN 2-4 T2HF-SS). Key specifications — Series: CPI(TM); Compatible Fitting Brands: CPI™; Brand: PARKER.
PARKER
PARKER Compression Fitting Adapter: 1/8 in OD x 1/4 in Pipe Fitting Size, Compression x MNPT (MPN 2-4 T2HF-SS). Key specifications — Series: CPI(TM); Compatible Fitting Brands: CPI™; Brand: PARKER.