S-95630A553 4.6 mm ID x 12 mm OD Plastic Washers

Key Features & Benefits at a Glance

• Exceptional temperature resistance from -50°F to 500°F ensures reliable performance in extreme thermal environments without degradation.
• Superior corrosion and chemical resistance due to PTFE plastic construction, ideal for harsh industrial settings and corrosive substances.
• Consistent dimensional accuracy with 4.6mm ID and 12mm OD for precise M4 screw fit, reducing assembly errors and improving load distribution.
• Optimal hardness (Durometer 51D) provides excellent durability and vibration damping while maintaining flexibility for secure fastening.
• RoHS 3 compliance guarantees environmental safety and meets strict regulatory standards for industrial components.
• Lightweight and non-conductive properties make it suitable for electrical insulation and weight-sensitive applications.
• Low friction surface minimizes wear on mating components, extending the lifespan of your assemblies.

Professional Applications & Engineering Value

This PTFE flat washer is engineered to address critical challenges in high-temperature and corrosive industrial environments. Made from PTFE plastic, it offers outstanding thermal stability, maintaining integrity from -50°F to 500°F, which prevents melting or brittleness in applications like automotive, chemical processing, and food machinery. The metric M4 size with precise inner and outer diameters ensures easy integration into metric assemblies, providing consistent load distribution and sealing. Its white color and RoHS 3 compliant material make it ideal for cleanrooms and electronics, where contamination and conductivity are concerns. By resisting chemicals and reducing friction, this washer minimizes maintenance downtime and enhances the reliability of industrial washers in demanding setups.

Specification Summary & Compliance

This washer adheres to standard metric dimensions with an ID of 4.6 mm, OD of 12 mm, and thickness of 1.4-1.8 mm, ensuring compatibility with M4 screw sizes. It meets RoHS 3 (2015/863/EU) compliance for environmental safety and is manufactured from PTFE plastic with a hardness of Durometer 51D, providing consistent performance in temperature extremes from -50°F to 500°F. The flat washer design follows general industrial norms for reliable fastening in various applications.