Eaton 2021-8-6S Steel Flared Tube Connector 3/8 in Od

Product Description

The EATON 2021-8-6S is a steel flared tube connector designed for high-pressure hydraulic and pneumatic tube assemblies. It features a 37-degree flare seating angle with a Flare x MNPT end configuration, connecting a 3/8 inch tube OD on the flare side to a 1/2 inch NPT male threaded port. Rated to 8000 psi maximum working pressure and built to operate across a temperature range of -40 to 250 degrees F, this fitting is suited for demanding fluid power and fuel line applications. The NPT thread standard and SAE 070102 compliance make it a recognized choice for industrial and mobile equipment installations.

This connector is used in systems where a flared tube must terminate at an NPT-threaded port on a valve, manifold, pump, or other hydraulic or pneumatic component. It is appropriate for both mobile and stationary equipment, including construction machinery, agricultural equipment, and industrial fluid systems. Licensed plumbers, pipefitters, and hydraulic technicians typically source this fitting when transitioning from tube runs to pipe-threaded ports in medium- to high-pressure circuits.

Key Features

• 37-degree flare seating angle per SAE 070102 standard
• Flare x MNPT end connections for tube-to-pipe-thread transitions
• 8000 psi maximum working pressure rating
• Operating temperature range: -40 to 250 degrees F
• Steel construction for durability in high-pressure environments
• 3/8 inch tube OD with 1/2 inch NPT male thread

Compatibility

Designed as an OEM-style replacement or new-installation fitting for hydraulic and pneumatic tube systems requiring a 37-degree flare-to-NPT male connector at 3/8 inch tube OD and 1/2 inch NPT thread size.

Installation Notes

Installation should be performed by a qualified hydraulic technician, pipefitter, or licensed plumber. Depressurize and isolate the system completely before removing or installing any fittings. Inspect the flare seat and tube end for burrs, cracks, or deformation before assembly, as flare fitting integrity depends on a clean, undamaged seating surface. Thread engagement should follow standard NPT practices and applicable codes such as ASME B31.3 for process piping.