S-91090A102 0.156" ID x 0.562" OD Oversized Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance through zinc plating protects against rust and extends service life in demanding environments
• Precise dimensional fit with 0.156" inner diameter ensures perfect alignment with No. 6 screws, preventing installation issues
• Optimal load distribution from the 0.562" outer diameter minimizes surface damage and maintains joint integrity
• Consistent performance guaranteed by controlled thickness range (0.042-0.051") for uniform pressure application
• Environmental compliance with RoHS 3 and REACH standards ensures safe use in regulated industries worldwide
• Enhanced assembly reliability through flat washer design that prevents loosening and maintains fastener tension
• Durable steel construction provides excellent strength and longevity for industrial applications

Professional Applications & Engineering Value

These zinc-plated steel flat washers deliver exceptional engineering value by solving common industrial fastening challenges. The corrosion-resistant zinc plating provides critical protection against environmental degradation, making them ideal for outdoor equipment, automotive assemblies, and electrical enclosures where moisture exposure is a concern. The precise 0.156" ID ensures perfect compatibility with No. 6 screws, eliminating misalignment issues that can compromise assembly integrity. The generous 0.562" OD effectively distributes clamping force across a wider surface area, preventing damage to soft materials and maintaining joint stability under vibration. This combination of dimensional precision and protective finish makes these inch-system washers essential components for maintaining long-term reliability in mechanical systems and structural applications.

Specification Summary & Compliance

These flat washers feature inch-system dimensions with 0.156" inner diameter, 0.562" outer diameter, and thickness ranging from 0.042" to 0.051" for consistent performance. Manufactured from zinc-plated steel, they are specifically designed for use with No. 6 screw size applications. The product maintains full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory acceptance for global industrial use.