S-90940A412 3.3 mm ID x 8 mm OD Plastic Washers

Key Features & Benefits at a Glance

• Superior electrical insulation with clear polycarbonate construction for safe use in electrical assemblies
• Excellent chemical and impact resistance for long-lasting performance in demanding industrial environments
• High-temperature tolerance up to 212°F maintains structural integrity in thermally challenging applications
• Precision M3 sizing with 3.3mm ID and 8mm OD ensures perfect fit and consistent load distribution
• Rockwell R120 hardness provides durable surface protection against wear and deformation
• Optical clarity allows for visual inspection and is ideal for applications requiring transparency
• Full regulatory compliance with RoHS 3 and REACH standards for global market acceptance

Professional Applications & Engineering Value

These M3 metric flat washers made from polycarbonate plastic solve critical engineering challenges where metal washers fail. The clear material provides essential electrical insulation while allowing visual monitoring of underlying components. With a temperature range reaching 212°F and Rockwell R120 hardness, they withstand thermal cycling and mechanical stress in industrial applications including electronics assembly, medical devices, and food processing equipment. The precise 3.3mm ID and 8mm OD dimensions ensure reliable sealing and spacing functions while the 0.7-1.0mm thickness range accommodates manufacturing tolerances. Their chemical resistance makes them suitable for corrosive environments where metal components would degrade.

Specification Summary & Compliance

This flat washer features metric dimensions with 3.3mm inner diameter, 8mm outer diameter, and 0.7-1.0mm thickness range. Manufactured from polycarbonate plastic with Rockwell R120 hardness rating and maximum temperature resistance of 212°F. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory acceptance for international industrial markets.