Midland Industries 26005 Captive Sleeve Nut 3/8 Compression

Product Description

The MIDLAND INDUSTRIES 26005 is a captive sleeve nut designed for 3/8-inch compression connections in brass construction. It secures the compression sleeve against the fitting body, maintaining a leak-free seal under sustained pressure. Rated to 200 psi and suitable for temperatures ranging from -65 to 250 degrees F, this nut handles demanding service conditions in gas, refrigeration, and fluid-handling lines. The 9/16-24 thread size and 0.62-inch hex dimension allow standard wrench engagement. Plumbers, HVAC technicians, and pipefitters install this type of fitting where a reliable, reusable compression connection is required.

The 26005 is used in residential and light commercial plumbing and HVAC applications where 3/8-inch compression fittings are specified. Typical installations include supply lines, instrumentation tubing, refrigerant-side connections, and fuel gas piping where compression-style fittings are code-acceptable. Its brass construction makes it compatible with copper and compatible soft-metal tubing commonly found in these systems.

Key Features

• Captive sleeve design keeps the compression sleeve retained on the nut for easier assembly
• Rated to 200 psi working pressure
• Wide temperature range: -65 to 250 degrees F
• 9/16-24 thread size for positive engagement
• 0.62-inch hex allows standard open-end or adjustable wrench use
• Brass construction resists corrosion in wet and gas service environments

Compatibility

Designed as an OEM-style replacement or service fitting for 3/8-inch compression connections using captive sleeve nut configurations in brass fitting assemblies.

Installation Notes

Installation is performed by licensed plumbers or HVAC technicians following applicable local codes. Shut off supply pressure and depressurize the line before disassembling or replacing compression fittings. Hand-tighten the nut onto the fitting body first, then snug with a wrench - do not over-torque brass compression nuts, as this can deform the sleeve or fitting seat. Verify for leaks after restoring pressure.