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The PARKER PT-00263 is a brass flared tube male adapter designed for high-pressure hydraulic and fluid-power plumbing applications. It connects a 37-degree flared tube end to a 3/4-14 NPTF male thread, creating a leak-resistant seal without the need for additional sealant tape on the threaded end. The fitting handles a maximum static working pressure of 5000 psi and a maximum dynamic working pressure of 2600 psi. At 2.06 inches overall length with a 3/4-inch tube OD, it is a compact inline transition fitting. Licensed plumbers, pipefitters, and hydraulic system technicians are the primary installers of this type of fitting.
This adapter is suited for hydraulic lines, fuel systems, and fluid-power assemblies where a JIC 37-degree flare tube meets a National Pipe Taper Fuel thread port. It is appropriate for both industrial and mobile hydraulic installations where reliable, high-pressure tube-to-port connections are required. The package includes 2 fittings per unit. It is manufactured to ISO 8434-2, SAE 070102, and SAE J514 standards, making it a direct fit where those specifications are called out on drawings or service documentation.
Designed as an OEM-style replacement or new-installation fitting for hydraulic and fluid-power systems requiring a 37-degree flare tube to 3/4-14 NPTF male adapter connection per SAE J514 and ISO 8434-2 specifications.
Installation should be performed by a licensed pipefitter, plumber, or qualified hydraulic technician. De-pressurize and fully vent the hydraulic or fluid system before removing or installing any fittings. The NPTF thread is designed as a dry-seal connection; inspect threads for damage before assembly and do not cross-thread. Torque to the tool-tight-plus-turns method per SAE J514 guidelines unless a specific torque value is provided by the equipment manufacturer.
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