S-95630A858 0.812" ID x 2.5" OD Plastic Washers

Key Features & Benefits at a Glance

• Exceptional high-temperature performance with a maximum rating of 500°F, ideal for demanding thermal environments without degradation.
• Superior chemical resistance due to PTFE (Teflon) material, ensuring reliable operation in corrosive and aggressive chemical applications.
• Precise dimensional fit with 0.812" ID and 2.5" OD, designed specifically for 3/4" screws to prevent loosening and ensure secure fastening.
• Durable mechanical properties from Durometer 55D hardness, providing excellent load distribution and vibration resistance.
• Non-corrosive and non-conductive white PTFE construction, suitable for electrical insulation and preventing galvanic corrosion.
• Regulatory compliance assurance with RoHS 3 and REACH standards, meeting strict industrial safety and environmental requirements.
• Consistent thickness control between 0.057-0.067", ensuring uniform pressure distribution and reliable sealing in inch-system assemblies.

Professional Applications & Engineering Value

This PTFE flat washer is engineered to solve critical challenges in harsh industrial settings where standard washers fail. Its PTFE plastic composition delivers unmatched chemical resistance, making it ideal for chemical processing, pharmaceutical, and food industries where exposure to aggressive substances is common. The high-temperature rating of 500°F ensures stability in applications like oven assemblies, automotive systems, and HVAC components, preventing meltdown or deformation. With a 0.812" ID tailored for 3/4" screw size, it provides a secure fit that minimizes bolt shear and distributes load evenly across the 2.5" OD surface. This flat washer also acts as an effective insulator in electrical setups, reducing short-circuit risks. Its white color and non-stick properties simplify maintenance in cleanroom or sanitary environments, enhancing operational efficiency and longevity.

Specification Summary & Compliance

This washer adheres to inch-system dimensional standards with an inner diameter of 0.812", outer diameter of 2.5", and thickness tolerance of 0.057-0.067" for precise fit in 3/4" screw applications. The PTFE material meets Durometer 55D hardness for consistent performance. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and safe for industrial use. Manufactured to provide reliable sealing and insulation, it is suitable for high-temperature and chemical-exposure scenarios without compromising integrity.