3M 7100092165 Belleville Washer Orbital Sander Part

Product Description

The 3M 7100092165 is a Belleville washer designed to support proper function in 3M random orbital sanders and orbital sanders. This uniquely shaped steel washer maintains clamping force and tension within the sander assembly, helping the tool perform consistently during abrasive finishing work. It is a direct replacement component intended to restore sander operation when the original washer is worn or damaged. Tradespeople, maintenance technicians, and professional finishers working with 3M random orbital equipment will recognize this as a standard service part.

This washer is used in 3M random orbital sanders with a 3/32 inch orbit as well as standard orbital sanders. It fits into the internal sander assembly and is typically replaced during routine maintenance or when sander performance degrades. The Belleville washer design provides a conical spring-like load under compression, which is critical to maintaining consistent pad pressure and vibration control in orbital sanding applications found in automotive, woodworking, and industrial finishing environments.

Key Features

• Uniquely shaped Belleville washer geometry provides consistent spring tension under compression
• Steel construction for durability in high-cycle sanding tool applications
• Compatible with 3M random orbital sanders featuring 3/32 inch orbit
• Direct OEM-style replacement to restore factory sander performance
• Sold individually for targeted component replacement

Compatibility

Designed for use with 3M random orbital sanders with 3/32 inch orbit and 3M orbital sanders. Refer to your tool service manual or 3M part documentation to confirm fitment before installation.

Installation Notes

Installation should be performed by a qualified technician familiar with power tool disassembly and reassembly. Disconnect the sander from all power sources before beginning any service work. Use appropriate hand tools as specified in the 3M service documentation for this sander model. Ensure the washer is seated correctly in its designed orientation, as Belleville washers are directional components that affect load performance if installed inverted.

Technical Specifications

• Material: Steel
• Compatible Orbit Size: 3/32 inches
• Unit of Measure: Each
• UPC: 00051115281334

Standard Information

• Brand: 3M
• Manufacturer Part Number: 7100092165