Parker A4FC4-MG Push-to-connect Connector 1/4 in Od Nptf

Product Description

The PARKER A4FC4-MG is a push-to-connect tube-to-pipe connector fitting designed for fast, tool-free tube connections in pneumatic and fluid handling systems. The fitting accepts 1/4 inch OD tubing and threads into a 1/4 inch NPTF port. It is constructed from POM (polyoxymethylene), a rigid acetal-based thermoplastic that resists moisture, mild chemicals, and mechanical wear. Rated to 300 psi, this connector is suited for compressed air lines, instrumentation tubing, and general-purpose plumbing in light industrial and commercial applications. Licensed plumbers, HVAC technicians, and industrial maintenance trades install this type of fitting where quick-disconnect access and leak-free tube retention are required.

This fitting is used in residential and light commercial pneumatic systems, process instrumentation lines, and HVAC control tubing runs. It is appropriate anywhere a tube needs to terminate into a threaded pipe port without a compression nut or ferrule. The push-to-connect mechanism allows field installation without special tooling, making it a common choice for control panel builds, condensate lines, and compressed air distribution systems where frequent servicing is expected.

Key Features

• Push-to-connect design allows tool-free tube insertion and secure retention
• Rated to 300 psi for use in compressed air and fluid transfer applications
• 1/4 inch OD tube connection with 1/4 inch NPTF threaded pipe end
• POM (polyoxymethylene) body resists moisture, wear, and mild chemical exposure
• Tan color for visual identification in multi-line installations
• Compact connector profile suitable for tight panel and cabinet layouts

Compatibility

Designed as an OEM-style push-to-connect replacement connector for systems using 1/4 inch OD tubing terminating at a 1/4 inch NPTF threaded port in pneumatic, instrumentation, or light-duty fluid handling applications.

Installation Notes

This fitting is installed by licensed plumbers, HVAC technicians, or qualified industrial maintenance personnel. Before installation, depressurize the system completely and verify the receiving port is clean and free of thread damage. Thread the NPTF end in by hand first, then tighten to snug using an appropriate wrench — do not overtighten POM-bodied fittings. Insert the OD tube fully until it seats and verify retention by pulling back firmly on the tube before re-pressurizing the line.