Midland Industries 240668 Jic Reducer Expander Steel Adapter

Product Description

The MIDLAND INDUSTRIES 240668 is a steel JIC reducer/expander fitting designed to transition between a 3/8-inch female JIC connection and a 1/2-inch male JIC connection in hydraulic line assemblies. It carries a 9/16-18 female thread on one end and a 3/4-16 male thread on the other, conforming to standard JIC 37-degree flare geometry. Rated for operating temperatures up to 375 degrees F, this adapter is built for demanding hydraulic service. The all-steel construction provides the durability required in fluid power systems where fitting integrity is critical to system pressure and safety.

This fitting is used in hydraulic plumbing applications where a line size change is required between two JIC-threaded components. Typical installations include mobile equipment, industrial machinery, and fluid power circuits where 3/8-inch and 1/2-inch JIC lines must be joined. The compact body measures approximately 1.25 inches in height and 0.8 inches in length, making it suitable for tight routing areas. Hydraulic technicians and fluid power mechanics install this adapter as part of new hydraulic circuit construction or field repair work.

Key Features

• Transitions from 3/8-inch female JIC to 1/2-inch male JIC in a single fitting
• 9/16-18 x 3/4-16 thread specification matches standard JIC 37-degree flare geometry
• Steel construction rated for operating temperatures up to 375 degrees F
• Compact dimensions support installation in space-constrained hydraulic routing
• Part of the 2406 Series steel JIC reducer/expander product line

Compatibility

Designed as an OEM-style replacement or new-installation fitting for hydraulic systems using standard JIC 37-degree flare connections with 3/8-inch female and 1/2-inch male port sizes.

Installation Notes

Installation should be performed by a qualified hydraulic technician or fluid power mechanic. Depressurize and isolate the hydraulic circuit completely before removing or installing any fittings. Inspect both mating JIC flare seats for damage or contamination before assembly. Follow applicable fluid power system standards and equipment manufacturer guidelines for assembly procedures and system pressure testing after installation.