Parker VS68NTA-4-4 Compression Tube Connector 1/4 in

Product Description

The PARKER VS68NTA-4-4 is a brass compression tube connector designed to join compression tubing to a male NPT threaded port. It features a Compression x MNPT end configuration with a 1/4-inch thread size conforming to NPTF thread standard. Built from brass, this fitting handles a maximum working pressure of 150 psi and operates across a temperature range of -40 degrees F to 200 degrees F. It meets D.O.T. FMVSS571.106, SAE J1131, and SAE J246 standards, making it a compliant choice for hydraulic, pneumatic, and fluid-transfer applications where a reliable compression-to-NPT transition is required.

This connector is used in residential and light commercial plumbing, HVAC refrigerant and control-line tubing, and fluid system assemblies where a leak-free compression fitting is needed at an NPT port entry point. The brass construction suits potable water, refrigerant, air, and hydraulic fluid service. Licensed plumbers, HVAC technicians, and fluid-system mechanics typically install this fitting in panel assemblies, equipment manifolds, and tubing runs where a compression-to-NPT transition is called for.

Key Features

• Brass construction for corrosion resistance across a wide range of fluids and gases
• Compression x MNPT end connections for a straightforward tube-to-threaded-port transition
• Rated to 150 psi maximum working pressure
• Temperature range of -40 degrees F to 200 degrees F
• Meets D.O.T. FMVSS571.106, SAE J1131, and SAE J246 compliance standards
• 1/4-inch NPTF thread size for precise fit at standard NPT ports

Compatibility

Designed as an OEM-style replacement or service fitting for compression tube-to-NPT applications in HVAC, plumbing, and fluid-transfer systems requiring compliance with DOT and SAE standards.

Installation Notes

Installation should be performed by a licensed plumber, HVAC technician, or qualified mechanic following applicable codes such as the IPC or IFGC. Depressurize and isolate the system fully before removing or installing any compression fitting. Hand-tighten the compression nut onto the tubing ferrule, then advance with a wrench only as needed to achieve a leak-free seal — do not overtighten brass compression fittings. Verify for leaks at operating pressure before returning the system to service.

WARNING: This product can expose you to chemicals including lead, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.