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The PARKER PP-00347 is a straight female JIC 37-degree swivel fitting designed for hydraulic hose assemblies. Machined from steel, this fitting accepts 3/8-inch hose and threads to a 7/16-20 female JIC interface. The 37-degree flare seating surface creates a reliable, leak-resistant metal-to-metal seal under hydraulic system pressures. It is installed by hydraulic technicians, fluid power mechanics, and maintenance professionals working on mobile equipment, industrial machinery, and hydraulic power units. The swivel design allows the hose to be positioned without twisting during final assembly, reducing installation stress on the hose body.
This fitting is suited for straight-run hydraulic line terminations where a female JIC swivel end is required at the hose. Common applications include mobile hydraulic systems on construction and agricultural equipment, industrial press and cylinder circuits, and fluid power plumbing on commercial machinery. The steel construction handles the mechanical and pressure demands of standard hydraulic circuits. It is sold in a package quantity of five units, with a minimum order quantity of one package.
Designed as an OEM-style replacement or service fitting for 3/8-inch hydraulic hose assemblies requiring a straight female JIC 37-degree swivel termination with 7/16-20 thread.
Installation should be performed by a qualified hydraulic technician or fluid power mechanic. Depressurize and fully isolate the hydraulic circuit before disassembling any line or fitting. Inspect the JIC flare seat on both mating parts for damage before assembly, as a compromised seat surface will prevent a proper seal. Tighten to the fitting manufacturer's standard flats-past-finger-tight method; do not over-tighten, as this can damage the flare seat.
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