5/8 inch x 3/8 inch Brass Compression Reducing Adapter Lead-Free OD x Male

BrassCraft 68-10-6X Compression Adapter – Engineered for Durable Transitions

The BrassCraft 68-10-6X Compression Adapter delivers dependable performance where a transition is required between a 1/2 inch OD tube and a 3/8 inch male pipe thread (MPT) connection. Manufactured from lead-free brass, this adapter is built to meet the rigorous demands of potable water systems, offering corrosion resistance and mechanical integrity in both residential and light commercial installations.

Key Advantages

• ✅ Lead-Free Brass Certified for use in potable water applications, compliant with NSF 61 and NSF 372 standards.
• ✅ 1/2 inch OD x 3/8 inch MPT Enables a secure and efficient connection between tubing and threaded pipe or fitting.
• ✅ Corrosion Resistance Brass body resists scaling and degradation in harsh or variable water conditions.
• ✅ Mechanical Seal Compression end forms a reliable seal without solder or heat, ideal for high-efficiency installations.
• ✅ Approved for Multiple Applications Suitable for water distribution systems, particularly service lines and fixture supply connections.

Technical Specifications

• Model: 68-10-6X
• Connection 1: 1/2 inch OD compression
• Connection 2: 3/8 inch MPT (male pipe thread)
• Material: Lead-free brass
• Certifications: NSF 61/372; meets federal and state low-lead requirements

Application Use

This adapter is commonly used in fixture supply lines, transition fittings from copper or plastic tubing to male-threaded valves or outlets, and general potable water systems. It’s often found in under-sink installations, water heater supply lines, or during retrofits where mixed piping systems require integration.

Installation Considerations

For best results, use with appropriate brass compression sleeve and nut. Avoid over-tightening to prevent thread or tube damage. Use of thread sealant is recommended on MPT threads only. Compression joints do not require sealant. Installation should comply with local plumbing codes and standards.

Did You Know?

Brass compression fittings offer an ideal alternative to soldering in tight or heat-sensitive environments. Their mechanical seal allows for disassembly and re-use, which can be advantageous during system maintenance or modification.

With the BrassCraft 68-10-6X Compression Adapter, professionals get a code-compliant, durable fitting that helps deliver consistent, leak-free performance across a wide range of water supply applications.