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3G Electric
PARKER A-Lok(R) Double-Ferrule Brass Compression Fitting Nut - Double-Ferrule Brass Compression Fittings
PARKERDouble-Ferrule Brass Compression Fittings

PARKER A-Lok(R) Double-Ferrule Brass Compression Fitting Nut

The PARKER Compression Fitting Nut (MPN 4NU4-B) is a double-ferrule brass compression fitting for 1/4 in OD tubing, part of the A-Lok(R) series. It features a 7/16"-20 thread size and is compatible with Swagelok…

SKU 3G-OTH-473459

Also listed as: 4NU4B · 4NU4 B

Brand
PARKER
Item
A-Lok
Part Number
4NU4-B
Category
Double-Ferrule Brass Compression Fittings
Available to Order
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.

Technical Specifications

PARKER
Manufacturer Part Number
4NU4-B
Series
A-Lok(R)
Type
Compression, Brass
Thread Size
7/16"-20
Compatible Fitting Brands
Swagelok

Technical Documents

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PARKER Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The PARKER Compression Fitting Nut (MPN 4NU4-B) is a double-ferrule brass compression fitting for 1/4 in OD tubing, part of the A-Lok(R) series. It features a 7/16"-20 thread size and is compatible with Swagelok fittings. 3G Electric interprets your demand for this genuine PARKER component, sourcing it across our 14 industrial departments with specialist depth in fluid controls.

Frequently Asked Questions

What is the PARKER 4NU4-B compression fitting nut used for?

The PARKER 4NU4-B is a double-ferrule brass compression fitting nut used to secure 1/4 in OD tubing in fluid and gas systems. It is part of the A-Lok(R) series and is compatible with Swagelok fittings, making it suitable for instrumentation, hydraulic, and pneumatic applications.

What are the specifications of the PARKER 4NU4-B compression fitting nut?

The PARKER 4NU4-B is a brass compression fitting nut with a 7/16"-20 thread size, designed for 1/4 in OD tubing. It is part of the A-Lok(R) series and is compatible with Swagelok fittings. The manufacturer part number is 4NU4-B.

Where to buy PARKER 4NU4-B compression fitting nut worldwide?

3G Electric supplies the genuine PARKER 4NU4-B compression fitting nut worldwide. We handle full logistics, customs clearance, and delivery to your location. As a global industrial solutions provider, we source this component across 14 departments, including specialist expertise in fluid controls.

How to install a PARKER A-Lok(R) double-ferrule compression fitting?

To install a PARKER A-Lok(R) double-ferrule compression 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 leak-free seal. Always follow manufacturer guidelines.

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
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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.

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