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3/8 inch Flare Nut

Brass Precision Tube Fitting for AC, Gas & Automotive Applications

3/8 inch Flare Nut

Brass Precision Tube Fitting for AC, Gas & Automotive Applications

3/8 inch Flare Nut

High-quality brass tube fitting designed to create secure, leak‑proof connections in AC/refrigeration, gas lines, automotive and hydraulic systems.

The 3/8" Flare Nut (Brass) is a high-quality tube fitting designed to create secure, leak-proof connections in various piping systems. Widely used in air conditioning, refrigeration, gas pipelines, automotive, and hydraulic systems, this flare nut ensures durability, precision, and long-lasting performance.

Key Features

Customization available
  • Durable brass construction with corrosion resistance
  • Leak‑proof performance with flared copper tubing
  • Reliable under high and low temperature conditions
  • Easy installation (no welding required)
  • Standard size compatibility for common tubing systems

Material

Brass (CA360 / CA377)

Size

3/8" (Tube OD)

Applications

Where this product is commonly used — from standard assemblies to custom requirements.

HVACRefrigerationGas PipingAutomotiveHydraulic

Air Conditioning & Refrigeration

  • Used in AC systems to connect copper pipes between indoor and outdoor units.
  • Ensures a tight, leak‑proof seal for reliable system performance.

Gas Piping Systems

  • Ideal for domestic gas lines and propane/butane gas connections.
  • Provides safe and reliable performance with proper flared tubing.

Automotive Industry

  • Used in brake lines and fuel lines where vibration‑resistant connections are essential.

Hydraulic Systems

  • Suitable for low‑pressure hydraulic applications for efficient tubing connections.

Why Choose This Product?

Built for accurate fitment, consistent finishing, and reliable performance in real‑world applications.

Benefits

  • Precision‑engineered for accurate fitting
  • High durability with long service life
  • Reliable performance in HVAC, gas, and automotive systems
  • Consistent quality with excellent finishing

Technical Specifications

Standard technical information. Custom specs are available on request.

Material

Brass (CA360 / CA377)

Size

3/8" (Tube OD)

Thread

5/8-18 UNF (Standard)

Type

Flare Fitting (Tube Fitting)

Pressure Rating

1000 to 3000 PSI (depending on application)

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Need Custom Brass Components?

We can manufacture components as per your drawings and specifications. Contact us for a free quotation.

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