Graco 556402 Fitting, 1/4 X 1/8 Nptf Hex Red

Reliable Fluid Connection for Graco Lubrication Systems

Product Overview

The Graco 556402 Fitting, 1/4 X 1/8 NPTF Hex Red is an OEM reducing hex bushing designed to connect components with different NPTF thread sizes in Graco fluid and lubrication systems. It features a 1/4 in. male NPTF thread on one end and a 1/8 in. female NPTF thread on the other, allowing secure and leak-resistant transitions between fluid line components.

Its durable steel construction and hex body make installation and removal straightforward using standard hand tools. As a genuine Graco replacement part, it helps maintain proper sealing, dependable fluid flow, and long-term system reliability.

Key Features

• Genuine OEM Graco replacement fitting.
• 1/4 in. male NPTF x 1/8 in. female NPTF reducing connection.
• Hex body design allows easy tightening with standard wrenches.
• Steel construction provides durability in demanding industrial environments.
• Helps create secure, leak-resistant threaded fluid connections.

Typical Applications

This fitting is used wherever Graco lubrication or fluid handling equipment requires a reduction from a 1/4-inch threaded port to a 1/8-inch threaded connection. It is commonly installed in lubrication circuits, fluid distribution assemblies, pneumatic control systems, and service replacement applications where the original Graco specification must be maintained.

Frequently Asked Questions