Fitting-Brass Cap Nut 3/8

The Brass Cap Nut 3/8″ is a high-quality fitting used to securely seal the end of a 3/8″ flare tube or fitting. Made from forged brass, it provides excellent durability and corrosion resistance, ensuring a leak-proof closure in refrigeration, air conditioning, and HVAC systems.

Features:

• 3/8″ SAE flare thread

• Forged brass construction for strength and longevity

• Creates a tight, leak-resistant seal

• Ideal for capping off unused tubing or ports

• Suitable for refrigeration, HVAC, and gas applications

Applications:

• Sealing refrigerant lines and ports

• Closing tubing ends during installation or maintenance

• Preventing leaks in HVAC and refrigeration systems