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The MIDLAND INDUSTRIES 2501-LLL-05-02 is a 90-degree extra extra long elbow adapter designed for hydraulic line connections in steel construction. It transitions from a 5/16-inch Male JIC (1/2-20 thread) on one end to a 1/8-inch Male NPTF (1/8-27 thread) on the other, providing a secure, leak-resistant connection in high-pressure hydraulic systems. The extended body length of this fitting accommodates tight routing situations where a standard or long elbow would not provide adequate clearance. It is installed by hydraulic technicians and pipefitters in industrial and mobile hydraulic applications.
This adapter is suited for use in steel JIC hydraulic systems where a directional change of 90 degrees is needed between a JIC tube end and an NPTF port. The extra extra long configuration is particularly useful in congested equipment bays, mobile machinery, and industrial hydraulic assemblies where additional offset between connection points is required. Its all-steel construction makes it appropriate for demanding environments with exposure to pressure, vibration, and mechanical stress.
Designed as an OEM-style hydraulic adapter for steel JIC systems requiring a 90-degree Male JIC to Male NPTF transition fitting; part of the MIDLAND INDUSTRIES 2501-LLL series of extra extra long elbow adapters.
Installation should be performed by a qualified hydraulic technician or pipefitter. Depressurize and bleed the hydraulic system fully before removing or installing any fittings. Inspect threads on both mating ports prior to installation and ensure thread types are compatible - JIC fittings rely on the 37-degree flare seat for sealing, while NPTF threads seal by thread interference. Do not overtighten; follow established torque guidelines for the fitting size and system pressure rating.
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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