Americ&B US4-108 Brass Swivel Union 5/8″ x 1/2″ Flare Gas Fitting

Name: Americ&amp;B US4-108 Brass Swivel Union 5/8" x 1/2" Flare Gas Fitting
SKU: US4-108
Price: 9.94 USD
Availability: InStock

SKU: US4-108

$9.94

Only 2 left in stock

Same-item volume pricing

Quantity	Unit price	Saving
1–4	$9.94	0%
5–9	$9.44	5%
10+	$8.95	10%

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Available to order: 2.

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Product Description

REGIONS SUPPLY BUYING GUIDE

Product details & buying advice

Identify the connection system at every end before choosing a brass, copper, flare or compression fitting.

Product type	Brass, copper and flare fittings
Part / SKU	US4-108

What to check before ordering

Check tubing outside diameter, the applicable flare standard and each male or female connection.
For a reducing tee, identify the run and branch sizes separately.
Prepare and join the tubing using the procedure for that fitting system.

Service reminder: Flare fittings seal against a mating seat. Their sizing convention differs from NPT, so compare the actual connection specifications.

Have gas-system installation and service completed by qualified personnel. Use the current instructions for the exact model and the requirements that apply at the installation location.

Product help & manufacturer resources

Explore this product guide · Shop this product group · Ask Regions Supply about this part

Overview

The Americ&B US4-108 Brass Swivel Union is a professional-grade fitting designed for propane, LP gas, natural gas, and HVAC systems requiring a secure and flexible flare-to-flare connection.

This swivel union features 5/8" SAE flare on one end and 1/2" SAE flare on the other, allowing components to be connected without twisting tubing or stressing lines. The swivel design simplifies installation and maintenance while ensuring a tight, leak-resistant seal.

Manufactured from precision-machined solid brass, this fitting offers excellent corrosion resistance and durability for long-term use in industrial and commercial gas applications. Commonly used in propane piping, regulators, burners, and HVAC gas lines.

Key Benefits:5/8" flare x 1/2" flare swivel unionSwivel action prevents line twist during installation

Durable brass construction

Suitable for propane, LP gas, natural gas, and air

Ideal for industrial, commercial, and professional use

Product details

Part / SKU	US4-108

Package includes

Americ&B US4-108 Brass Swivel Union 5/8" x 1/2" Flare Gas Fitting

Included components and any stated pack quantity are as described in this listing. Optional accessories shown separately are sold separately unless expressly included above.