S-90295A219 0.281" ID x 0.625" 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.
• Superior chemical and corrosion resistance due to the nylon plastic material, ideal for harsh industrial settings.
• Excellent electrical insulation properties, providing safety in electrical assemblies and preventing short circuits.
• Lightweight design reduces overall assembly weight without compromising on strength or durability.
• High hardness (Rockwell R115) offers excellent wear resistance and maintains shape under load.
• Precise dimensional fit with 1/4" screw size compatibility, 0.281" ID, and 0.625" OD for secure fastening.
• Full regulatory compliance with RoHS 3 and REACH, ensuring environmental safety and global market acceptance.

Professional Applications & Engineering Value

This nylon plastic flat washer is engineered to address common industrial challenges such as corrosion, electrical conductivity, and thermal expansion. Made from durable nylon material, it provides inherent chemical resistance, making it suitable for applications in chemical processing, marine, and outdoor equipment. Its wide temperature range from -40°F to 300°F ensures stability in both freezing and high-heat environments, preventing brittleness or deformation. The flat washer design with precise inch system measurements (e.g., 0.281" ID and 0.625" OD) offers consistent load distribution and vibration dampening, enhancing the longevity of assemblies in automotive, aerospace, and electrical enclosures. By combining lightweight properties with robust performance, it reduces maintenance costs and improves operational efficiency in demanding B2B settings.

Specification Summary & Compliance

This flat washer adheres to standard inch system measurements, with an inner diameter of 0.281", outer diameter of 0.625", and thickness ranging from 0.051" to 0.080". It is designed for 1/4" screw size compatibility and features a Rockwell R115 hardness for consistent durability. The product fully complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and safe for various industrial applications.