LEGRISNylon & Nickel-Plated Brass Tube Fittings

LEGRIS Push-to-Connect x Push-to-Connect Tube Fitting

The LEGRIS Push-Fit Adapter Fitting (MPN 3166 53 04) is a push-to-connect x push-to-connect nylon and nickel-plated brass tube fitting, sized for 1/8 in OD x 5/32 in OD tubing.

SKU 3G-OTH-491681

Also listed as: 31665304 · 3166-53-04

Brand

LEGRIS

Item

Push-to-Connect x Push-to-Connect Tube Fitting

Part Number

3166 53 04

Local availability & support

Payment: Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

LEGRIS

Manufacturer Part Number

3166 53 04 

Type

Push-to-Connect x Push-to-Connect 

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

LEGRIS Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

The LEGRIS Push-Fit Adapter Fitting (MPN 3166 53 04) is a push-to-connect x push-to-connect nylon and nickel-plated brass tube fitting, sized for 1/8 in OD x 5/32 in OD tubing.

Frequently Asked Questions

What is the LEGRIS Push-Fit Adapter Fitting used for?

The LEGRIS Push-Fit Adapter Fitting (3166 53 04) connects two tubes of different diameters—1/8 in OD and 5/32 in OD—in pneumatic or fluid systems. Its push-to-connect design allows tool-free installation, making it ideal for industrial automation, packaging, and material handling applications.

What are the specifications of the LEGRIS 3166 53 04?

The LEGRIS 3166 53 04 is a push-to-connect x push-to-connect adapter fitting. It accommodates 1/8 in OD and 5/32 in OD tubing and is constructed from nylon and nickel-plated brass. This genuine LEGRIS component is suitable for compressed air and inert gas systems.

Where to buy LEGRIS push-fit fittings worldwide?

3G Electric supplies the LEGRIS Push-Fit Adapter Fitting (3166 53 04) to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us to order this genuine LEGRIS component for your pneumatic system.

How to install a LEGRIS push-to-connect fitting?

To install the LEGRIS push-to-connect fitting, cut the tube square, deburr the end, and push it fully into the fitting until it stops. Pull gently to confirm secure engagement. For removal, press the collet evenly and pull the tube out. Always depressurize the system before installation.

Used in

Common applications for LEGRIS

Industrial automation — Legris push-to-connect fittings (e.g., 3156 56 00) for fast assembly of pneumatic control circuits.

Packaging machinery — Legris quick exhaust valves (e.g., 7982 14 14) to speed up cylinder actuation and increase throughput.

Fluid transfer systems — Legris brass barbed fittings (e.g., 0123 16 17) for connecting tubing to pipe in water and coolant lines.

Compressed air distribution — Legris nylon tube fittings (e.g., 3104 60 56) for leak-free connections in air headers and drops.

Material handling — Legris quick exhaust valves (e.g., 7982 22 22) for rapid cycling of pneumatic actuators on sorting and diverting mechanisms.

OEM equipment — Legris push-to-connect tees and unions for compact pneumatic manifolds in medical and laboratory devices.

Not sure this is the right part? Photo-identify it→

LEGRIS Products

3G Electric supplies LEGRIS nylon & nickel-plated brass tube fittings. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

Browse all LEGRIS products →Contact our engineers →