The GRACO 16A421 is a hard rubber retaining cap designed to securely hold the nozzle in place on GRACO applicators and spray equipment. Its robust construction ensures reliable performance and durability in demanding industrial environments.

Key Features:

• Retaining Cap
• 16A421
• Hard rubber
• Compatible with various GRACO applicators and spray guns, including mortar spray applicators and M680 series equipment
• Hard rubber construction for enhanced durability
• Designed for secure nozzle retention
• Supports reliable operation in high-use environments

Applications:
Used in GRACO spray equipment for mortar, coatings, and other industrial spray applications. Suitable for use with both flexible hose and pole applicator kits in the M680 and similar series.

Installation Notes:

• Using genuine GRACO parts ensures proper fit, performance, and safety. Non-genuine parts may compromise equipment reliability and void warranties.
• Place the retaining cap over the top lip of the applicator housing.
• Ensure the nozzle is properly seated before securing the cap.
• Check for wear or damage during routine maintenance and replace as needed.
• Regularly inspect the retaining cap for signs of wear or cracking.
• Replace the cap if it becomes loose or damaged to prevent nozzle misalignment or leaks.
• Follow manufacturer guidelines for installation and maintenance.