181A-4-1

1/4"TUBE O.D NUT

181A-4-1 Double Compression Nut - Double Compression | Brass Pro

Cross-reference
181A-4 16003 00881-04 106-4 111400 11-4 11C 1814 181-4 26100-4 26100X4 281-4 6100X4 D1814 D181-4

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.

Back

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

181A-4-1

1/4"TUBE O.D NUT

Why Choose Brass Pro?

What are the temperature limits?

How do you ensure product durability?

Are these safe for potable water?