S-90183A222 0.165" ID x 0.438" OD Washers for Blind Rivets

Key Features & Benefits at a Glance

• Lightweight and corrosion-resistant due to high-quality aluminum construction, ideal for applications where weight reduction and durability are critical.
• Precise dimensional fit with 0.165" inner diameter and 0.438" outer diameter, ensuring reliable alignment and secure fastening with 5/32" rivets.
• Consistent load distribution provided by the flat design and controlled thickness (0.057-0.067"), minimizing surface damage and extending component life.
• Compliance with stringent environmental regulations, including RoHS 3 and REACH, making it suitable for global industrial and electronic applications.
• Excellent electrical and thermal conductivity from aluminum material, beneficial in electrical assemblies and heat-dissipating setups.
• Cost-effective and versatile, suitable for a wide range of industries without the risk of galvanic corrosion in mixed-material environments.

Professional Applications & Engineering Value

This aluminum flat washer is engineered to address common industrial challenges such as component wear, electrical isolation, and regulatory compliance. Made from high-quality aluminum, it offers inherent corrosion resistance and lightweight properties, reducing overall assembly weight while maintaining strength. The precise 0.165" ID and 0.438" OD ensure a perfect fit for 5/32" rivets, preventing misalignment and loosening in dynamic environments. Its flat washer design evenly distributes loads, protecting surfaces from indentation and extending the service life of fastened parts. Ideal for industrial applications in electronics, aerospace, and machinery, this washer supports efficient, reliable fastening while meeting RoHS and REACH standards for safe, sustainable use.

Specification Summary & Compliance

This washer features an inner diameter of 0.165", outer diameter of 0.438", and thickness range of 0.057-0.067", designed for use with 5/32" rivets. Manufactured from aluminum, it adheres to standard inch measurement systems and is fully compliant with RoHS 3 (2015/863/EU) under exemption 6(b)-II for lead in aluminum alloys, and REACH (EC 1907/2006) regulations as of January 17, 2023, ensuring environmental and safety standards are met for industrial hardware.