S-90481A243 0.188" ID x 1.5" OD Oversized Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance from zinc plating, extending service life in demanding industrial environments
• Optimal load distribution with 1.5" outer diameter, preventing surface damage and joint loosening
• Precise No. 8 screw compatibility with 0.188" inner diameter, ensuring secure fastening and vibration resistance
• Versatile thickness range (0.036-0.065") accommodates various assembly tolerances and compression requirements
• Durable steel construction provides reliable mechanical strength for heavy-duty applications
• Full regulatory compliance with RoHS 3 and REACH standards, ensuring safe usage in global markets
• Inch-system standardization simplifies procurement and replacement in North American industrial operations

Professional Applications & Engineering Value

These zinc-plated steel flat washers deliver critical engineering solutions for industrial maintenance and equipment assembly. The corrosion-resistant zinc coating protects against moisture and chemical exposure in manufacturing facilities, automotive applications, and outdoor installations. With precise 0.188" ID sizing for No. 8 screws, they prevent fastener embedment and distribute clamping forces evenly across surfaces. The generous 1.5" OD provides superior bearing surface area, reducing point loading on soft materials and preventing joint failure in vibration-prone environments. These inch-system washers serve as essential components in machinery assembly, electrical enclosures, structural frameworks, and maintenance operations where reliable load distribution and long-term corrosion protection are paramount.

Specification Summary & Compliance

Manufactured to standard inch dimensions with 0.188" inner diameter and 1.5" outer diameter, featuring thickness tolerance of 0.036-0.065" for consistent performance. Constructed from zinc-plated steel for enhanced durability. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, meeting current environmental and safety standards for industrial components.