S-95630A855 0.656" ID x 2.5" OD Plastic Washers

Key Features & Benefits at a Glance

• Exceptional high-temperature resistance up to 500°F, ensuring reliable performance in demanding thermal environments without degradation.
• Superior chemical inertness from PTFE material, providing excellent resistance to corrosive substances and extending service life in harsh conditions.
• Optimized dimensional stability with precise 0.656" ID and 2.5" OD, ensuring secure fit and uniform load distribution for 5/8" screw applications.
• Enhanced durability and wear resistance due to Durometer 55D hardness, reducing deformation under pressure and maintaining sealing integrity.
• Strict compliance with environmental standards including RoHS 3 and REACH, making it safe for regulated industrial and electronic applications.
• Low friction and non-stick properties of PTFE, minimizing adhesion and facilitating easy maintenance in repetitive assembly processes.
• Consistent thickness tolerance between 0.057-0.067", ensuring reliable performance and compatibility in precision engineering setups.

Professional Applications & Engineering Value

This PTFE plastic flat washer is engineered to address critical challenges in high-temperature and chemically aggressive settings. Made from PTFE (Teflon), it delivers unmatched chemical resistance, preventing degradation from acids, solvents, and bases, which is vital in chemical processing, pharmaceutical, and food manufacturing industries. The white color allows for easy identification and cleanliness control. With a maximum temperature rating of 500°F, it performs reliably in applications like oven seals, automotive components, and HVAC systems, where thermal stability is paramount. The flat washer design ensures even pressure distribution, reducing stress on 5/8" screw connections and preventing loosening in vibrating environments. Its Durometer 55D hardness balances flexibility and strength, offering long-term durability without compromising on ease of installation, making it an ideal choice for industrial washers in extreme conditions.

Specification Summary & Compliance

This flat washer adheres to inch system measurements with an inner diameter of 0.656", outer diameter of 2.5", and thickness ranging from 0.057" to 0.067", designed specifically for 5/8" screw size applications. It meets industry standards for dimensional accuracy and is manufactured from PTFE plastic with a hardness of Durometer 55D. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and suitable for global industrial use.