Parker 68HD-8-6 Compression X Mnpt Brass Connector 3/8 in

Product Description

The PARKER 68HD-8-6 is a brass compression tube connector designed to join tubing to male NPT threaded pipe or fittings in fluid and gas distribution systems. It features a compression-style end on one side and a male NPT thread on the other, allowing a secure, leak-resistant connection without soldering or flaring. Rated to 1150 psi maximum working pressure, this connector is built for demanding service environments. The brass construction resists corrosion and withstands the pressures common in HVAC, refrigeration, plumbing, and instrumentation applications. Plumbers, HVAC technicians, and industrial pipe fitters are the primary installers of this fitting.

This connector is suited for residential and light commercial applications where tubing must terminate into a threaded port or nipple. The 3/8-inch thread size makes it a common choice for refrigerant lines, water supply connections, pneumatic systems, and instrument tubing runs. The compression end grips the tube mechanically, making it reusable in low-cycle applications. It ships as a single unit and is appropriate for any system requiring a reliable compression-to-male-NPT transition point.

Key Features

• Compression x MNPT end connections allow tube-to-threaded-pipe transitions without soldering
• Rated to 1150 psi maximum working pressure for demanding service conditions
• Brass construction provides corrosion resistance in wet and refrigerant-bearing systems
• 3/8-inch thread size suits a wide range of HVAC, plumbing, and instrumentation fittings
• Male NPT thread conforms to standard MPT thread specifications for broad compatibility
• Single-piece packaging with a minimum order quantity of one

Compatibility

Designed as an OEM-style replacement or new-installation fitting for systems requiring a 3/8-inch compression-to-male-NPT threaded connection in brass, including HVAC, plumbing, pneumatic, and instrumentation piping assemblies.

Installation Notes

Installation should be performed by a licensed plumber, HVAC technician, or qualified pipe fitter. Shut off and depressurize the system completely before removing or installing any compression fitting. Apply thread sealant or PTFE tape to the male NPT threads per applicable IPC or IFGC requirements. Do not over-tighten the compression nut, as brass fittings can deform under excessive force.