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The PARKER 3F is a threaded pneumatic hose coupling connector designed for compressed air systems in automotive and industrial service environments. Built to Series 10 specifications with a zinc chromate-finished steel body, this connector provides a 1/2-inch body diameter and a 1/2-14 female NPTF threaded connection. It is rated for a maximum working pressure of 300 psi and operates across a temperature range of -40 degrees F to 250 degrees F. Licensed HVAC technicians, automotive service techs, and industrial maintenance professionals install this fitting when connecting air hoses to compressors, tools, or pneumatic supply lines.
The PARKER 3F connector is suited for compressed air applications in automotive service shops, light industrial facilities, and maintenance environments where Tru-Flate Automotive interchange fittings are the standard. At 2.27 inches overall length with a 1.0-inch hex size, it installs with standard wrenches in tight compressor or tool-side connections. The Tru-Flate Automotive interchange format ensures compatibility with widely deployed quick-connect pneumatic systems used across service bays and shop floors.
Designed as an OEM-style replacement or new-installation connector for compressed air systems using Tru-Flate Automotive interchange pneumatic couplings with 1/2-14 female NPTF threaded connections.
Installation is performed by qualified HVAC or industrial maintenance technicians. Depressurize and lock out the compressed air supply before removing or installing any pneumatic coupling. Apply thread sealant appropriate for NPTF dry-seal threads per manufacturer and local plumbing code guidance. Use a properly sized wrench on the 1.0-inch hex to torque to a hand-tight-plus position without over-stressing the fitting body.
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