S-93785A220 0.812" ID x 2" OD Plastic Washers

Key Features & Benefits at a Glance

• Exceptional high-temperature resilience with a broad operating range from -50°F to 500°F, ensuring reliable performance in extreme thermal environments without degradation.
• Superior chemical resistance thanks to PEEK plastic material, protecting against corrosion and extending service life in harsh industrial settings.
• Consistent dimensional stability with precise 0.812" ID and 2" OD, providing secure fits for 3/4" screws and reducing assembly errors.
• High hardness rating of Rockwell M103 for excellent wear resistance and durability under mechanical stress, minimizing maintenance needs.
• Compliance with RoHS 3 and REACH regulations, ensuring environmental safety and meeting global standards for restricted substances in industrial applications.
• Lightweight and non-conductive properties of PEEK plastic, ideal for electrical insulation and reducing overall component weight.
• Beige color for easy identification and integration into color-coded assembly systems, streamlining inventory and installation processes.

Professional Applications & Engineering Value

This PEEK plastic flat washer is engineered to address critical challenges in demanding sectors such as aerospace, automotive, and chemical processing, where high-temperature and chemical exposure can compromise component integrity. Its PEEK material offers outstanding thermal stability and resistance to aggressive chemicals, preventing swelling or brittleness that leads to failure. The precise 0.812" ID and 2" OD dimensions ensure a tight fit for 3/4" screws, reducing vibration loosening and enhancing load distribution in assemblies. By maintaining Rockwell M103 hardness across its temperature range, it provides long-lasting performance in applications like machinery seals, electrical enclosures, and fluid handling systems, where reliability and regulatory compliance are paramount.

Specification Summary & Compliance

This flat washer features an inner diameter of 0.812", outer diameter of 2", and thickness ranging from 0.108" to 0.160", designed for use with 3/4" screw sizes in inch measurement systems. It adheres to standard dimensional tolerances for flat washers and is manufactured from PEEK plastic with a hardness of Rockwell M103. The product complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and suitable for global industrial applications requiring high performance and environmental responsibility.