U4-4-1 Per Cat.: U4-4

1/4"FEMALE FL*1/4"FEMALE FL

U4-4-1 F-Flare Connector - SAE 45 Deg Flare | Brass Pro

Cross-reference
04060-04 2310x4 324 32-4 41CG-4 432-4 600F-4 660-F-04 660FHD-4 A 00385 D324 D32-4 FF660HD-4 U4-4 U4C 10135

Established in 1975, Brass Pro Industrial is a premier manufacturer of high-performance brass, pneumatic, and air brake fittings. Backed by our own brass mill and over 100 CNC machines, we ensure superior durability and leak-free performance. Our products are AB1953, NSF-61, and FMVSS 106 compliant, meeting the highest global safety and transportation standards. As a one-stop OEM partner and owner of the QV DOT brand, we provide integrated manufacturing solutions to strengthen your competitive edge.

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Testing & Specs

Most stringent international standards

- 50+ years of proven manufacturing expertise
- Fully integrated brass mill for consistent quality and cost control
- Extensive experience supporting North American standards and markets
- Flexible OEM / ODM solutions tailored to your needs
- End-to-end quality control from raw material to final inspection
- Fast response times and dependable delivery
- Certified products meeting global compliance standards

Our fittings are tested for operation between 32°F and 220°F (0°C to 104°C).

Each valve is tested for 500,000 open and close cycles and 1,000 ~ 2,000 pounds of tensility.

Yes, our lead-free brass materials comply with NSF-61 and U.S. AB1953 standards, ensuring maximum water safety.

Contact Info

U4-4-1 Per Cat.: U4-4

1/4"FEMALE FL*1/4"FEMALE FL

Why Choose Brass Pro?

What are the temperature limits?

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Are these safe for potable water?