The Cabin Door Screw Washer is placed between the screw head and the mounting surface in cabin door assemblies. It spreads the fastening load to prevent surface deformation, paint damage, and loosening from operational stresses. Maintaining proper screw alignment and contact supports reliable door function and minimizes wear on fastening points. Attributes:• Minimizes vibration-induced fastening loss.• Supports secure cabin door fastening.• Maintains correct screw seating and alignment.Applications: The Cabin Door Screw Washer is used in cabin door assemblies to maintain fastening integrity and protect mounting surfaces from damage during repeated opening and closing cycles.