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The MIDLAND INDUSTRIES 6506128 is a female pipe swivel adapter designed for hydraulic plumbing connections in industrial and fluid power systems. It features a 3/4-inch female JIC swivel on one end and a 1/2-inch female NPTF connection on the other, allowing technicians to join JIC and NPTF threaded lines without deforming or permanently committing either fitting. Constructed from steel, the adapter handles a maximum operating pressure of 4000 psi and is rated for service up to 375 degrees F. The swivel design simplifies installation by allowing the JIC end to rotate during assembly, reducing torsional stress on hydraulic hose assemblies.
This adapter is suited for hydraulic plumbing in industrial machinery, mobile equipment, and fluid power circuits where JIC and NPTF threaded fittings must interface. It belongs to the 6506 Series of female JIC swivel to female pipe adapters and is a practical solution for connecting hydraulic hoses to ports, pumps, valves, or manifolds threaded in NPTF. Typical installers include hydraulic technicians, millwrights, and equipment maintenance professionals working on medium- to high-pressure hydraulic systems.
Designed as an OEM-style hydraulic adapter for systems using 3/4-inch female JIC swivel and 1/2-inch female NPTF threaded connections in steel JIC swivel adapter applications.
Installation should be performed by a qualified hydraulic technician. Depressurize and isolate the hydraulic circuit completely before removing or installing any fittings. Apply appropriate thread sealant to the NPTF threads as required by the application; the JIC swivel end relies on metal-to-metal seat contact and does not require tape or sealant. Torque fittings according to the system designer's specifications and verify for leaks before returning the system to service.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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