Graco 556405 Fitting, 1/2 X 1/8 Nptf Hex Red
Hex reducing fitting adapts 3/8-inch and 1/4-inch NPTF threaded connections for dependable fluid or air transfer in compatible Graco equipment.
- 3/8" x 1/4" NPTF reducing threads
- Hex body enables quick wrench tightening
- Provides secure, leak-resistant threaded connections
- Compatible with Graco systems using matching NPTF ports
OEM Reducing Fitting for Reliable NPTF Fluid Connections
Compatible Machines
- Graco automatic lubrication systems requiring a 1/2 in. male NPTF × 1/8 in. female NPTF reducing fitting.
- Compatible with Graco fluid handling and lubrication equipment that specifies Part No. 556405 in the official parts list.
- Suitable for Graco and Trabon lubrication assemblies using matching NPTF threaded ports.
Product Overview
The Graco 556405 Fitting, 1/2 X 1/8 NPTF Hex Red is a genuine OEM reducing bushing designed to connect components with different NPTF thread sizes in Graco lubrication and fluid handling systems. It features a 1/2-inch male NPTF thread and a 1/8-inch female NPTF thread, providing a secure transition while maintaining leak-resistant performance.
Manufactured for industrial applications, the fitting incorporates a durable steel body with a hex profile that simplifies installation and removal using standard wrenches. Installing the correct OEM fitting helps maintain system integrity, proper fluid flow, and dependable long-term operation.
Key Features
- Genuine Graco OEM reducing fitting.
- 1/2 in. male NPTF × 1/8 in. female NPTF thread configuration.
- Hex body design for quick installation and secure tightening.
- Heavy-duty steel construction for industrial environments.
- Provides dependable, leak-resistant threaded fluid connections.
Typical Applications
The Graco 556405 fitting is commonly used in centralized lubrication systems, grease distribution networks, pneumatic controls, and industrial fluid handling equipment where a reduction from a 1/2-inch threaded port to a 1/8-inch threaded connection is required. As an OEM replacement, it helps preserve proper fit, sealing, and equipment performance.
Frequently Asked Questions
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