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The EATON 14738 is a steel hydraulic hose adapter designed to connect a 10 mm hose to a 7/8-14 JIC (Joint Industry Council) threaded port. Part of the EATON TTC series, this adapter features a JIC shaft type and accommodates a 5/8 inch hose diameter. It is built from steel for durability in high-pressure hydraulic circuits. Licensed hydraulic technicians, industrial mechanics, and fluid power specialists typically install this fitting in mobile equipment, industrial machinery, and hydraulic power unit assemblies where a metric-to-JIC transition is required.
This adapter suits applications where a 10 mm hydraulic hose must terminate at a 7/8-14 JIC threaded connection. Typical install scenarios include agricultural equipment, construction machinery, and industrial hydraulic systems that mix metric hose sizes with inch-thread JIC fittings. The TTC series is built for general-purpose hydraulic service and is compatible with standard hydraulic oils and fluids commonly used in these systems. This item is sold in package quantities of 5.
Designed as an OEM-style hydraulic hose adapter for systems requiring a 10 mm hose-to-7/8-14 JIC threaded port transition in standard hydraulic fluid service applications.
Installation should be performed by a qualified hydraulic technician or fluid power specialist. Depressurize and lock out the hydraulic system completely before disconnecting any fittings or hoses. Inspect threads and seating surfaces for damage before assembly, and use appropriate thread sealant or verify the JIC flare seat condition to ensure a leak-free connection. Do not overtighten; follow standard JIC assembly practices for flare-seat fittings.
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