Parker 640F-4 Cap Nut 45 Flare (1/4 Inch) Replacement MPN 640F-4

Product Description

Parker 640F-4 is a cap nut designed for use with 45-degree flare fittings. This product meets the requirements set by SAE J512 and J513 standards. It is suitable for copper, brass, aluminum, and steel tubing that can be flared to forty-five degrees. This nut ensures reliable connections in various applications, including plumbing and HVAC systems.

• Meets SAE J512 and J513 standards.
• Compatible with multiple materials including brass and aluminum.
• Pressure rated up to 1400 PSI.

Product Highlights

This cap nut provides a secure seal for fluid connections in harsh environments.

Product Information

Standard Information

• Manufacturer: Parker
• Part Number: 640F-4

Technical Specifications

• Outer Diameter: 1/4 Inch
• Thread Type: 7/16-20 UN/UNF
• Material: Brass
• Series: 45 Flare
• Configuration Type: Auxiliary
• Configuration Sub-Type: Cap
• Operating Temperature: -65°F to +250°F
• Pressure Rating: 1400 PSI