Parker 3/8 X 1/4 Ptr-s Pipe Bushing 6000 Psi Mnptf X Fnptf

Product Description

The PARKER 3/8 X 1/4 PTR-S is a straight pipe bushing designed to reduce a 3/8 inch male NPT thread down to a 1/4 inch female NPT thread in hydraulic and industrial piping systems. Constructed from zinc-plated steel, it handles a maximum working pressure of 6000 psi, making it suitable for high-pressure fluid power and pneumatic lines. The MNPTF x FNPTF connection type provides a pressure-tight tapered thread seal on both ends. Plumbers, pipefitters, and hydraulic technicians install this fitting when adapting between two different NPT pipe sizes in a straight inline configuration.

This bushing fits standard NPT-threaded ports and fittings across a wide range of industrial and hydraulic applications. It is commonly used in manufacturing equipment, compressed air systems, hydraulic power units, and fluid transfer assemblies where a 3/8 inch male port must be reduced to accept a 1/4 inch female threaded connection. The straight fitting shape allows for direct in-line installation without altering the flow path direction.

Key Features

• Reduces 3/8 inch male NPT thread to 1/4 inch female NPT thread in a single fitting
• Rated to 6000 psi maximum working pressure for high-pressure hydraulic and pneumatic service
• Zinc-plated steel construction provides corrosion resistance in industrial environments
• MNPTF x FNPTF tapered thread design creates a pressure-tight seal
• Straight fitting shape supports direct inline installation
• 3/4 inch hex size allows standard wrench installation

Compatibility

Designed as an OEM-style replacement or add-on fitting for industrial and hydraulic piping systems using standard NPT-threaded ports and components.

Installation Notes

Installation should be performed by a qualified pipefitter, hydraulic technician, or plumber familiar with NPT tapered thread connections. De-pressurize and isolate the system completely before removing or installing any fittings. Apply an appropriate thread sealant or PTFE tape to the male threads per the system fluid and pressure requirements. Use a wrench on the 3/4 inch hex to tighten to proper engagement without over-torquing the threads.