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The PARKER PP-00340 is a male SAE 37-degree JIC rigid hydraulic hose fitting machined from steel. It is designed to terminate a 1/2-inch hydraulic hose with a 7/8-14 UNF male thread, providing a leak-resistant, high-integrity connection in hydraulic plumbing circuits. The 37-degree flare seat mates with standard JIC female swivel fittings to form a metal-to-metal seal without additional sealing compound. This fitting is installed by licensed hydraulic technicians and fluid-power mechanics working on industrial, mobile, and OEM hydraulic systems.
This fitting is suited for hydraulic systems where a rigid, non-swivel male JIC termination is required at the hose end. Typical applications include construction equipment, agricultural machinery, industrial power units, and mobile hydraulic assemblies that run SAE J514 JIC plumbing. The 1/2-inch hose size and 7/8-14 thread are among the most common JIC configurations encountered in the field, making this a standard-inventory fitting for fluid-power shops and service trucks.
Designed as an OEM-style rigid male JIC fitting for 1/2-inch hydraulic hose assemblies terminating in a 7/8-14 SAE 37-degree JIC male connection. Compatible with standard SAE J514 JIC female swivel fittings of the same thread size.
Installation should be performed by a qualified fluid-power technician or hydraulic hose assembler. Depressurize and lock out the hydraulic system fully before disconnecting or assembling any fittings. Inspect the 37-degree flare seat for nicks or burrs before assembly, as surface damage will compromise the metal-to-metal seal. Torque to the fitting manufacturer's published specification for the thread size — do not over-torque steel JIC fittings, as this can deform the flare seat.
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