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The NORGREN 100290400 is a push-to-connect bulkhead tube-to-tube fitting designed to pass tubing through a panel or bulkhead wall while maintaining a secure, leak-resistant connection. Constructed from nickel-plated brass with a nitrile O-ring seal, it handles a maximum working pressure of 260 psi and an operating temperature range of 0 to 175 degrees F. The M10x1 metric thread provides a reliable panel-mount interface. This fitting is suited for general-purpose pneumatic and fluid-transfer applications where a clean, tool-free tube connection through a partition is required. Licensed tradespeople and maintenance technicians in HVAC, industrial, and fluid-handling environments regularly specify this type of fitting.
The 100290400 is intended for general-purpose use in systems where 4 mm outside-diameter tubing must pass through a bulkhead or panel. It is commonly found in pneumatic control circuits, compressed-air distribution systems, and fluid-transfer lines in both light commercial and industrial settings. The push-to-connect design allows quick tube insertion and removal without additional tools, reducing assembly time during installation or service calls.
Designed for general-purpose pneumatic and fluid-transfer systems using 4 mm outside-diameter tubing, with bulkhead panel mounting via M10x1 thread.
Installation is typically performed by qualified tradespeople or maintenance technicians familiar with pneumatic or fluid-system assembly. Depressurize and isolate the system completely before removing or installing any fittings. Ensure the panel or bulkhead material is compatible with the M10x1 thread and that the mounting surface thickness falls within the fitting's design range. Verify tubing outside diameter is 4 mm and cut ends are clean and square before insertion to ensure a proper seal.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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