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The PARKER PT-00030 is a hollow hex plug fitting designed to close off or cap hydraulic or pneumatic line ports while maintaining access for pressure testing or instrumentation. The plug uses a male MNPTF threaded end connection and is rated to 7,200 psi, making it suitable for high-pressure fluid power applications. The hex drive head allows installation and removal with standard hex tooling. This type of fitting is commonly installed by hydraulic system technicians, plumbers, and pipefitters working on fluid power circuits, pneumatic systems, and industrial piping assemblies.
This plug is used in applications where a threaded port must be sealed temporarily or permanently. The 3/8 inch MNPTF thread fits standard SAE-compliant port sizes found on hydraulic manifolds, cylinders, pumps, and valves. The hollow design allows the plug to serve as a pass-through or test point when required. It meets SAE 130109N standards and carries the UNSPSC code 40175300. This fitting is sold in packages of 2.
Designed as an OEM-style replacement or service fitting for hydraulic and pneumatic systems requiring a 3/8 inch MNPTF threaded port plug rated to 7,200 psi and conforming to SAE 130109N.
Installation is performed by qualified hydraulic technicians or pipefitters. Depressurize and isolate the hydraulic or pneumatic circuit completely before removing or installing any threaded fittings. Apply appropriate thread sealant compatible with the system fluid before installation. Do not exceed the rated working pressure of 7,200 psi in service.
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