The product referenced as '187887 NUT, UNION' does not match the available information for the Nautilus® 2.0 LX car seat. The Nautilus® 2.0 LX is a child car seat with a steel-reinforced frame, designed for use in vehicles to safely transport children in three modes: forward-facing harness, highback booster, and backless booster. The intended use is for child passenger safety in vehicles.

Key Features:

• Child car seat (harness booster)
• Nautilus® 2.0 LX
• Steel-reinforced frame, EPS energy-absorbing foam
• Designed for use in most vehicles with seat belts or LATCH system
• Meets or exceeds US standard FMVSS 213; side-impact tested for occupant retention with built-in 5-point harness
• 4-position recline
• One-hand, 10-position adjustable headrest
• 2 easy-to-clean cup holders
• Open-loop belt guides for proper seat belt positioning
• Engineered for 10 years of use

Applications:
Child passenger safety in vehicles, suitable for children from 26.5–100 lbs depending on mode of use

Installation Notes:

• Using genuine GRACO parts ensures safety, reliability, and compliance with safety standards
• Follow vehicle and car seat manufacturer instructions for installation
• Ensure proper harness or seat belt routing as per manual
• Regularly check for secure fit and proper use of all safety features