The GRACO 15K143 is a 3/8-16 threaded, 4-prong knob designed for use as a manual control or adjustment component in GRACO equipment. Its material is not explicitly specified in available sources, but similar knobs are typically made from durable plastic or metal for reliable operation in industrial environments.

Key Features:

• Knob
• 3/8-16, 4 Prong
• Designed for GRACO equipment requiring a 3/8-16 threaded knob
• 4-prong design for easy grip and manual adjustment
• Durable construction for repeated use
• Standard 3/8-16 thread for compatibility with GRACO equipment

Applications:
Used as a manual control or adjustment knob in various GRACO spray equipment and industrial machinery.

Installation Notes:

• Using a genuine GRACO knob ensures proper fit, function, and longevity of the equipment.
• Ensure the equipment is powered off and depressurized before installation.
• Thread the knob onto the appropriate shaft or bolt by hand to avoid cross-threading.
• Tighten securely but do not over-torque to prevent damage to the knob or equipment.
• Regularly inspect the knob for wear or damage.
• Clean the knob and surrounding area to prevent buildup of debris.
• Replace the knob if it becomes loose or damaged to maintain safe operation.