Parker 8MSC12N-316 Compression Tube Connector 3/4-14 Npt

Product Description

The PARKER 8MSC12N-316 is a straight compression tube connector designed to join tubing to male NPT threaded ports in high-pressure fluid and gas systems. Constructed from 316 stainless steel, this fitting handles working pressures up to 6300 psi and a temperature range from -425 degrees F to 1200 degrees F, making it well suited for demanding industrial, HVAC, and process piping applications. One end accepts compression-style tubing while the other end features a 3/4-14 MNPT thread. Licensed plumbers, pipefitters, and mechanical contractors are the typical installers of this fitting.

This connector is used in applications where a compression tube end must transition to a male NPT threaded connection in a straight-line configuration. Its broad temperature tolerance and high-pressure rating make it appropriate for hydraulic lines, instrumentation tubing, refrigerant-adjacent piping, and process control systems in both commercial and industrial settings. The 316 stainless construction resists corrosion in aggressive media and chloride-bearing environments.

Key Features

• 316 stainless steel construction for corrosion resistance in harsh or corrosive media
• Maximum working pressure of 6300 psi for high-pressure system suitability
• Wide temperature range: -425 degrees F to 1200 degrees F
• Straight fitting shape for in-line tube-to-pipe connections
• 3/4-14 NPT thread standard on the male threaded end
• Compression x MNPT end connections for tool-assisted, leak-tight assembly

Compatibility

Designed as an OEM-style replacement or new-installation compression-to-MNPT connector for systems requiring a straight 3/4-14 NPT male port transition with compression tube inlet.

Installation Notes

Installation should be performed by a licensed plumber, pipefitter, or qualified mechanical technician familiar with compression fitting assembly procedures. Depressurize and isolate the system before removing or installing any fitting. Hand-tighten the compression nut first, then apply the additional turns specified by the fitting manufacturer using appropriate wrenches — avoid over-tightening, which can deform the compression ferrule. Consult applicable codes such as ASME B31.3 or local piping codes for process system installations.