S-90295A259 0.5" ID x 1.25" OD Plastic Washers

Key Features & Benefits at a Glance

• Exceptional temperature resistance from -40°F to 300°F, ensuring reliable performance in extreme thermal environments without degradation.
• Superior corrosion and chemical resistance due to the nylon plastic material, providing long-lasting protection in harsh industrial settings.
• Excellent electrical insulation properties, making it ideal for applications requiring prevention of electrical conductivity and short circuits.
• High durability with Rockwell R115 hardness, offering consistent load distribution and resistance to wear under repeated use.
• Precision dimensional fit with 0.5" ID and 1.25" OD, ensuring secure placement and optimal performance for 7/16" screw assemblies.
• Compliance with RoHS 3 and REACH regulations, guaranteeing safe, environmentally responsible use in global markets.
• Vibration and noise reduction thanks to the nylon material's inherent damping characteristics, enhancing equipment stability.

Professional Applications & Engineering Value

This nylon flat washer is engineered to address common industrial challenges such as corrosion, electrical hazards, and thermal expansion in mechanical assemblies. Made from high-grade nylon plastic with a Rockwell R115 hardness, it provides reliable insulation and resists degradation from oils, solvents, and moisture. The 0.5" ID and 1.25" OD ensure precise fit for 7/16" screw applications, preventing loosening under vibration. Ideal for electrical enclosures, automotive components, and HVAC systems, this washer maintains integrity across a wide temperature range from -40°F to 300°F, reducing maintenance needs and enhancing operational safety in demanding environments.

Specification Summary & Compliance

This flat washer features an inner diameter of 0.5", outer diameter of 1.25", and thickness range of 0.064-0.104", designed for use with 7/16" screws in inch measurement systems. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) standards, ensuring adherence to environmental and safety regulations. The material, nylon plastic with Rockwell R115 hardness, offers consistent performance and is suitable for applications requiring high-temperature tolerance and electrical insulation.