Hex reducing fitting adapts 3/8-inch and 1/4-inch NPTF threaded connections for dependable fluid or air transfer in compatible Graco equipment.
The Graco 556404 Fitting, 3/8 X 1/4 NPTF Hex Red is a genuine OEM reducing bushing designed to connect components with different NPTF thread sizes in Graco lubrication and fluid handling equipment. It features a 3/8-inch male NPTF thread and a 1/4-inch female NPTF thread, providing a reliable transition while maintaining a secure, leak-resistant connection.
Its durable metal construction and hex body simplify installation with standard wrenches, making it an ideal replacement for maintaining the integrity and performance of industrial lubrication and fluid transfer systems.
The Graco 556404 fitting is commonly used in centralized lubrication systems, grease distribution networks, fluid transfer assemblies, and industrial maintenance equipment where a reduction from a 3/8-inch threaded connection to a 1/4-inch threaded port is required. Using the correct OEM fitting helps preserve system performance and minimizes the risk of leaks.