1/8" Brass Hex Coupling – FNPT x FNPT, 4,000 PSI Rated
1/8" Brass Hex Coupling – FNPT x FNPT, 4,000 PSI Rated
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High-Pressure Brass Coupling for Threaded Pipe Connections
1/8" Brass Hex Coupling – FNPT x FNPT provides a secure, leak-resistant connection for high-pressure systems up to 4,000 PSI. Built from durable C36000 brass, this compact hex fitting is precision-machined for reliable use in air, oil, and natural gas lines, as well as hydraulic and instrumentation setups.
🔧 Features
- — Dual 1/8" female NPT threaded ports
- — Rated for pressures up to 4,000 PSI
- — Made from corrosion-resistant C36000 brass
- — Conforms to ANSI B1.20.1, B31.1, B31.3, and ASTM B16 standards
✅ Advantages
- — Ensures tight, leak-free performance in pressurized systems
- — Prevents thread galling or seizing with clean brass threads
- — Improves reliability in compact or high-vibration environments
- — Supports consistent performance in air, oil, and gas applications
🎯 Benefits
- — Reliable choice for high-pressure instrumentation
- — Durable for long-term installations or frequent assembly
- — Efficient option for plumbing, hydraulic, or compressor systems
- — Compact hex profile fits in tight spaces and tool setups
🛠 How to Use
Apply PTFE thread sealant (not included) to the male pipe threads. Thread both ends into the coupling ports and tighten using a 5/8" wrench to ensure a leak-free seal.
📅 When to Use
Use this hex coupling in high-pressure compressed air, oil line, fuel, or gas systems where secure NPT-to-NPT female connections are needed under load.
Built for strength, precision, and performance in demanding environments.
📋 Technical Specs
- — Material: C36000 Brass
- — Connection Type: 1/8" Female NPT x 1/8" Female NPT
- — Hex Size: 5/8"
- — Overall Length: 3/4"
- — Max Operating Pressure: 4,000 PSI
- — Standards: ANSI B1.20.1, B31.1, B31.3; ASTM B16
- — Application: Air, gas, fuel, oil, and fluid systems
- — Country of Origin: USA (subject to change)
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