The GRACO 866339 is a specialized shoulder screw with a modified socket head, designed for use in GRACO equipment. The material is not specified in available sources. Its primary function is to provide secure fastening and alignment within GRACO machinery, likely in assemblies requiring precise positioning or load distribution.

Key Features:

• Shoulder screw, socket head, modified
• Designed for use in GRACO equipment; specific models not listed
• Modified socket head for improved tool engagement
• Shoulder design for precise alignment and load distribution
• Reliable fastening for critical assemblies

Applications:
Used in GRACO equipment assemblies where secure fastening and precise alignment are required. Commonly found in spray equipment, pumps, and other industrial machinery.

Installation Notes:

• Using genuine GRACO parts ensures proper fit, function, and longevity of equipment. Non-genuine parts may compromise performance and safety.
• Ensure the equipment is powered off and depressurized before installation
• Use the correct tool for the modified socket head to avoid stripping
• Follow torque specifications as recommended by GRACO
• Inspect the screw and mating parts for wear or damage before installation