OEM Steel Hex Nipple for Secure Fluid Line Connections
Compatible Machines
- Graco lubrication systems requiring a 1/4 in. x 1/8 in. steel hex nipple.
- Compatible with Graco fluid handling and lubrication equipment that specifies Part No. 556408 in the official parts list.
- Suitable for Graco and Trabon centralized lubrication systems using matching threaded connections.
Product Overview
The Graco 556408 Fitting, Nipple 1/4 X 1/8 Stl Hex is a genuine OEM steel hex nipple designed to connect fluid line components with different thread sizes in Graco lubrication and fluid handling systems. Its 1/4-inch x 1/8-inch threaded configuration provides a dependable connection while maintaining efficient fluid flow and leak-resistant performance.
Constructed from durable steel, the fitting features a hex body for convenient installation and removal with standard wrenches. As an original Graco replacement part, it helps maintain the proper fit, sealing performance, and long-term reliability of compatible equipment.
Key Features
- Genuine Graco OEM replacement fitting.
- 1/4 in. x 1/8 in. steel hex nipple design.
- Hex body allows quick installation and secure tightening.
- Heavy-duty steel construction for industrial durability.
- Provides reliable, leak-resistant threaded connections.
Typical Applications
The Graco 556408 fitting is commonly used in centralized lubrication systems, grease distribution networks, pneumatic controls, and industrial fluid transfer assemblies where components with 1/4-inch and 1/8-inch threaded ports must be securely connected. Using the correct OEM fitting helps maintain system performance and minimizes downtime caused by leaks or improper fitment.
Frequently Asked Questions
It connects compatible fluid system components with 1/4-inch and 1/8-inch threaded ports while providing a secure, leak-resistant connection.
Yes. Part 556408 is a genuine OEM Graco fitting engineered to meet original equipment specifications.
It is compatible with Graco lubrication and fluid handling equipment that specifies Part No. 556408, including various centralized lubrication and Trabon systems with matching threaded connections.
OEM Graco fittings ensure proper thread engagement, dependable sealing, reliable fluid flow, and long-lasting performance in compatible equipment.
