S-93785A370 0.406" ID x 1" OD Plastic Washers

Key Features & Benefits at a Glance

• Exceptional thermal stability for reliable performance in extreme temperatures from -50°F to 500°F, preventing deformation and failure in demanding environments.
• Superior durability and wear resistance due to the 30% carbon filler in the PEEK plastic matrix, extending service life and reducing maintenance needs.
• High hardness rating (Rockwell M103) ensures excellent load distribution and resistance to embedding, protecting your components from damage.
• Outstanding chemical resistance makes it ideal for harsh industrial settings where exposure to aggressive substances is common.
• Precision dimensional fit with a 1" OD and 0.406" ID designed specifically for 3/8" screws, ensuring easy installation and secure fastening.
• Compliance with major regulations including RoHS 3 and REACH, guaranteeing safety and environmental responsibility for global supply chains.
• Lightweight and non-corrosive PEEK plastic construction reduces overall assembly weight and eliminates rust, perfect for sensitive or weight-critical applications.

Professional Applications & Engineering Value

This Carbon-Filled PEEK Plastic Flat Washer is engineered to solve critical challenges in industrial applications where standard metal washers fail. Its PEEK plastic base with 30% carbon filler provides exceptional chemical resistance and thermal stability, making it ideal for use in chemical processing, aerospace, automotive, and electronics industries. The washer maintains dimensional precision and Rockwell M103 hardness across a wide temperature range from -50°F to 500°F, preventing galling, corrosion, and thermal expansion issues. This ensures long-term reliability in extreme temperature washers applications, reducing downtime and replacement costs while supporting efficient 3/8" screw assemblies in corrosive or high-heat environments.

Specification Summary & Compliance

This flat washer features an OD of 1", ID of 0.406", and thickness ranging from 0.064" to 0.104", designed for use with 3/8" screw size in the inch system. It is manufactured from Carbon-Filled PEEK Plastic with 30% filler material and a hardness of Rockwell M103. The product complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets stringent environmental and safety standards for industrial components.