Parker 3C Pneumatic Hose Coupling 1/4-18 Tru-flate

Product Description

The PARKER 3C is a threaded pneumatic hose coupling connector designed for use in compressed-air systems requiring a Tru-Flate Automotive interchange fit. Constructed from steel with a zinc chromate finish, this female NPTF connector features a 1/4-18 thread size and a 1/4 inch body diameter. It is rated for a maximum working pressure of 300 psi and handles temperatures from -40 degrees F to 250 degrees F. The 3C is a Series 10 connector intended for installation by HVAC technicians, industrial mechanics, and pneumatic system professionals who need a reliable quick-connect coupling in air-tool and compressed-air piping applications.

This coupling is suited for residential and light commercial compressed-air systems where Tru-Flate Automotive interchange compatibility is required. It threads directly into standard female NPTF ports and provides a secure, leak-resistant connection for air hoses and pneumatic tools. With an overall length of 1.47 inches and a hex size of 0.62 inches, the 3C fits standard wrench tooling and installs cleanly in tight spaces. Typical applications include air compressor outlets, pneumatic tool connections, and shop-line distribution fittings.

Key Features

• Tru-Flate Automotive interchange for broad compatibility with standard air-tool quick-connect systems
• Female NPTF threaded connection for a pressure-tight, dry-seal fit
• 300 psi maximum working pressure rated for compressed-air service
• Operating temperature range of -40 degrees F to 250 degrees F
• Steel construction with zinc chromate finish for corrosion resistance
• Compact 1.47 inch overall length fits tight installation spaces

Compatibility

Designed for use with Tru-Flate Automotive interchange pneumatic systems requiring a 1/4-18 female NPTF threaded connector in the Parker Series 10 product line.

Installation Notes

Installation should be performed by a qualified technician familiar with compressed-air piping systems. Depressurize and lock out the air supply before connecting or disconnecting any coupling. Apply thread sealant appropriate for pneumatic service to the NPTF threads per the fitting manufacturer guidelines. Use a properly sized wrench on the 0.62 inch hex to achieve a snug, leak-free fit without overtightening the steel body.