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The PARKER 68PLPR-6M-M5 is a straight push-to-connect male connector fitting designed for pneumatic tubing systems. It accepts 6mm outside diameter tube on the push-in end and threads into M5 x 0.8 male ports on the equipment side. The body is nickel-plated brass, rated to 300 psi maximum working pressure, and operates across a temperature range of 0 degrees F to 200 degrees F. The silver finish with yellow release button is consistent with standard push-to-connect coloring conventions, making port identification straightforward during installation. Licensed pneumatic technicians and mechanical contractors typically install this fitting in compressed air, light pneumatic control, and instrumentation line assemblies.
This fitting is suited for light industrial and OEM pneumatic applications where a 6mm tube must terminate at an M5 x 0.8 threaded port. Common install scenarios include pneumatic solenoid valve manifolds, small-bore compressed air circuits, and instrumentation tubing runs. The M5 thread size is frequently encountered on compact solenoid valves and pneumatic actuators used in automation and HVAC control systems. The push-to-connect mechanism allows fast, tool-free tube insertion and release via the yellow collar button, reducing assembly time on multi-port manifolds.
Designed as an OEM-style push-to-connect replacement fitting for pneumatic systems utilizing 6mm OD tubing and M5 x 0.8 threaded ports.
Installation is performed by pneumatic technicians or mechanical contractors. Always depressurize and bleed the pneumatic circuit fully before removing or installing any fitting. Thread the M5 x 0.8 end into the port by hand first to avoid cross-threading, then tighten to snug using a 1/2 inch hex wrench — do not overtighten brass threads into aluminum valve bodies. Insert tube fully until it bottoms out in the collet to ensure a leak-free connection; verify by gently pulling back on the tube before re-pressurizing.
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