S-95630A849 0.531" ID x 1.75" OD Plastic Washers

Key Features & Benefits at a Glance

• Exceptional high-temperature performance withstands up to 500°F, ideal for demanding thermal environments without degradation.
• Superior chemical resistance from PTFE material prevents corrosion and contamination in aggressive industrial settings.
• Optimal hardness and durability with Durometer 55D rating ensures long-lasting load distribution and vibration resistance.
• Precise dimensional fit with 0.531" ID and 1.75" OD designed for accurate 1/2" screw applications, reducing installation errors.
• Reliable insulation and low friction properties minimize wear on components and improve assembly efficiency.
• Compliance with global safety standards including RoHS 3 and REACH, ensuring environmental and workplace safety.
• Consistent thickness control between 0.057-0.067" provides uniform sealing and spacing in mechanical assemblies.

Professional Applications & Engineering Value

This PTFE plastic flat washer is engineered to address critical challenges in high-temperature and chemically aggressive environments. Its PTFE (Teflon) material offers outstanding resistance to a wide range of chemicals, acids, and solvents, preventing premature failure in industrial washers used in chemical processing, automotive, and aerospace sectors. The flat washer design ensures even pressure distribution for 1/2" screw fastenings, reducing stress concentrations and enhancing joint integrity. With a maximum temperature rating of 500°F, it performs reliably in applications involving heat exchangers, oven equipment, and electrical enclosures, where thermal stability is paramount. The white color allows for easy identification and quality control, while the precise inch system dimensions (0.531" ID x 1.75" OD) guarantee compatibility and reduce assembly time, delivering consistent engineering value in maintenance and manufacturing operations.

Specification Summary & Compliance

This flat washer adheres to standard dimensional tolerances for inch system components, with an inner diameter of 0.531", outer diameter of 1.75", and thickness ranging from 0.057" to 0.067" for reliable fit with 1/2" screw size. Manufactured from PTFE plastic with a hardness of Durometer 55D, it meets industry requirements for flat washers in mechanical applications. 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 safe for use in regulated industrial environments.