Tectran 42-4 SAE Flare Union Brass Fitting Tube - 45-Degree 1/4

The Tectran 42-4 is a brass SAE 45-degree flare union fitting designed for 1/4" tube-to-tube connections in heavy-duty truck, trailer, bus, and mobile equipment fluid systems. This straight union joins two SAE 45° flared tube ends, creating a secure, leak-resistant metal-to-metal seal without the need for additional sealants.

Key Features:

• SAE 45° Flare Standard: Conforms to SAE J512 specifications for 45-degree flared tube fittings
• Tube Size: 1/4" (Dash -4) tube OD on both ends
• Union Configuration: Straight tube-to-tube union — connects two flared tube ends inline
• Material: Brass construction for corrosion resistance and durability in fluid and pneumatic applications
• Metal-to-Metal Seal: The 45° cone seat and flare interface creates a positive mechanical seal for reliable, long-term leak prevention
• Heavy-Duty Application: Engineered for use in heavy truck, trailer, bus, and mobile equipment air, hydraulic, and fuel line systems

Tectran is a trusted manufacturer of air, hydraulic, and electrical components for the North American transportation industry. The 42-4 flare union is a reliable solution for repairing or assembling 1/4" flared tubing runs in demanding commercial vehicle environments.