U5-4B-1 Per Cat.: BP-422CC

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

U5-4B-1 F-Flare Male Adapter - SAE 45 Deg Flare | Brass Pro

Cross-reference
04066-0404 25944 259x4x4 334B 33-4B 433-4B 47CC 664-44 664FHD-4-4 D334B D33-4B FF664HD-4-4 P664FHD-4-4 U5-4B 10441

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

U5-4B-1 Per Cat.: BP-422CC

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

Why Choose Brass Pro?

What are the temperature limits?

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Are these safe for potable water?