Coilhose Pneumatics 592 Pneumatic Hose Coupler 3/8 in

Product Description

The COILHOSE PNEUMATICS 592 is a female NPT threaded pneumatic hose coupler designed for compressed air systems in automotive and industrial service environments. Built from steel with a nickel-plated finish, this coupler features a 3/8 inch body diameter and a 1/4 inch FNPT thread connection. It handles working pressures up to 300 psi and operates across a temperature range of -40 degrees F to 250 degrees F. The Tru-Flate Automotive interchange profile makes it a direct-fit replacement in shops already running that standard. Licensed HVAC techs, plumbers, and automotive service professionals install this part to connect air tools, hoses, and pneumatic supply lines quickly and securely.

This coupler is suited for both residential shop and commercial service bay applications where Tru-Flate Automotive interchange fittings are the shop standard. Typical install scenarios include compressed air distribution lines, pneumatic tool connections, and portable compressor setups. The threaded FNPT body allows direct installation into female-ported manifolds, hose ends, and tool inlets without additional adapters. It is a single-piece, inline coupler sold individually.

Key Features

• Tru-Flate Automotive interchange profile for compatibility with existing shop fittings of the same standard
• Steel construction with nickel-plated finish for corrosion resistance in shop environments
• Rated to 300 psi maximum working pressure
• Wide operating temperature range: -40 degrees F to 250 degrees F
• 1/4 inch FNPT threaded connection for direct inline installation
• 3/8 inch body diameter for consistent airflow capacity

Compatibility

Designed as an OEM-style replacement coupler for compressed air systems using the Tru-Flate Automotive interchange standard with 1/4 inch FNPT threaded connections.

Installation Notes

Installation is typically performed by a qualified pneumatic or mechanical technician. Always depressurize the air supply line and bleed residual pressure before removing or installing couplers. Apply thread sealant tape to the FNPT threads per standard shop practice to prevent air leakage. Verify that the replacement coupler interchange type matches the mating plug already in service before installation.