266A-4A-1 Per Cat.: BP-266C

1/4"AB*1/8"FPT

266A-4A-1 Copper-AB Female Adapter - D.O.T. Air Brake Copper Tubing | Brass Pro

Cross-reference
00366-0402 11664A 1166-4A 1366x4 166x4 205101 266A-4A 266AB-4-2 266C 466F0402 466-F-04x02 66AB-4-2 866-4 866-42 A66-4-2 AB66-42 AB66-4-2 B166-42 DAB664A DAB66-4A 38204

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.

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266A-4A-1 Per Cat.: BP-266C

1/4"AB*1/8"FPT

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