S-91145A133 0.115" ID x 0.235" OD Insulating Washers

Key Features & Benefits at a Glance

• Superior corrosion and chemical resistance with Nylon 6/6 material, ideal for harsh environments.
• Excellent electrical insulation properties to prevent galvanic corrosion and short circuits.
• Maintains performance under extreme temperatures, from -40°F to 180°F, ensuring reliability.
• High Rockwell R108 hardness provides exceptional durability and resistance to wear and deformation.
• Precision fit for No. 4 screws with 0.115" ID and 0.145" sleeve OD for secure, vibration-resistant assemblies.
• RoHS 3 compliance ensures environmental safety and meets global regulatory standards.
• Lightweight and non-marring design protects sensitive surfaces from damage during installation.

Professional Applications & Engineering Value

This Nylon 6/6 Plastic Sleeve Washer is engineered to solve common industrial challenges, such as component loosening due to vibration and corrosion in electrical or moist environments. Its sleeve design provides a larger bearing surface, distributing load more effectively and increasing joint stability for No. 4 screw applications. The off-white color and high Rockwell R108 hardness ensure long-term performance without degrading, making it perfect for electronics, automotive assemblies, and outdoor equipment where temperature resistance from -40°F to 180°F is critical. By using this RoHS 3 compliant washer, engineers reduce maintenance costs and enhance product lifespan in demanding conditions.

Specification Summary & Compliance

This washer features precise dimensions: ID 0.115", OD 0.235", Thickness 0.047", Overall Height 0.297", Sleeve OD 0.145", and Sleeve Height 0.25", designed for use with No. 4 screw sizes in the inch system. It adheres to standard manufacturing tolerances and is RoHS 3 (2015/863/EU) compliant, ensuring it meets stringent environmental and safety regulations for industrial use.