Sony 4-571-212-33 Back Washer

Product Description

The SONY 4-571-212-33 is a factory-replacement back washer designed for use in Sony consumer electronics assemblies. Washers of this type serve as mechanical spacers or fastener-seating components, distributing load and preventing damage to surrounding surfaces during assembly. This part carries the internal reference 9139 and is sourced directly from Sony's parts and accessories catalog. Installation is typically performed by electronics repair technicians working on Sony equipment during disassembly, reassembly, or component-level repair procedures.

This back washer is intended for use in Sony consumer electronics products that require this specific fastener or spacer component. It is a genuine Sony replacement part suited for service depots, in-shop repair technicians, and authorized service centers performing component-level repairs on Sony equipment.

Key Features

• Genuine Sony factory-replacement back washer
• Internal reference code 9139 for cross-referencing service documentation
• Designed to OEM specifications for proper fit and load distribution
• Sourced from Sony's official parts and accessories catalog

Compatibility

Designed as an OEM-style replacement back washer for Sony consumer electronics products requiring part number 4-571-212-33.

Installation Notes

Installation of this component should be performed by a qualified electronics repair technician familiar with Sony service procedures. Power down and unplug the device completely before beginning any disassembly or fastener work. Use appropriate hand tools and follow the applicable Sony service manual to ensure proper seating and torque of surrounding fasteners. Take care not to damage adjacent components or housings during installation.

Technical Specifications

• Component Type: Back Washer
• Internal Reference: 9139

Standard Information

• Brand: SONY
• Manufacturer Part Number: 4-571-212-33