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The PARKER PP-00354 is a straight female JIC 37-degree swivel fitting designed for hydraulic hose assemblies. It connects a 10 mm (5/8 inch diameter) hydraulic hose to a 7/8-14 UNF female JIC threaded port. The 37-degree flare seat provides a reliable, leak-resistant metal-to-metal seal under hydraulic system pressures. Constructed from steel, this fitting is built to handle the mechanical stress and fluid exposure common in hydraulic circuits. It is installed by hydraulic system technicians and fluid power mechanics on mobile equipment, industrial machinery, and stationary hydraulic power units. The swivel design allows the hose end to be positioned without twisting the hose during final assembly.
This fitting is suited for use in residential, commercial, and industrial hydraulic applications where JIC 37-degree flare connections are the specified standard. It is typically found in high-pressure hydraulic lines on agricultural equipment, construction machinery, manufacturing systems, and fleet maintenance operations. The straight configuration makes it appropriate for inline connections where routing does not require an angled adapter. Sold in a package quantity of two, it is well suited for shop stock or repair kits where matched fittings are needed.
Designed as an OEM-style replacement or service fitting for hydraulic hose assemblies using JIC 37-degree flare connections with a 7/8-14 UNF thread and 10 mm hose size.
Installation should be performed by a qualified hydraulic technician or fluid power mechanic. Depressurize and isolate the hydraulic circuit completely before disconnecting or installing any fitting. Inspect the JIC flare seat and mating port for damage or debris before assembly. Tighten to the fitting manufacturer's standard flat-to-flat specification for the thread size; do not overtighten, as this can damage the flare seat and compromise the seal.
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