The GRACO 16U656 is a union fitting designed to connect two 3/8-inch outside diameter (OD) stems, typically used in fluid handling systems. Its material is not specified in available sources, but it is intended for use within GRACO equipment to ensure secure and leak-free connections in spray, lubrication, or fluid transfer applications.

Key Features:

• Union fitting
• 3/8 x 3/8 OD stem
• Compatible with GRACO equipment requiring 3/8-inch OD stem connections
• Provides secure connection between two 3/8-inch OD stems
• Designed for reliability and ease of maintenance in fluid handling systems

Applications:
Used in spray equipment, lubrication systems, and fluid transfer applications where secure, leak-free connections are required.

Installation Notes:

• Using genuine GRACO parts ensures compatibility, reliability, and optimal performance of the equipment.
• Ensure both stems are clean and free of debris before installation
• Hand-tighten the union fitting, then use appropriate tools to secure without over-tightening
• Check for leaks after installation and during regular maintenance