S-93785A350 0.28" ID x 0.63" OD ASME B18.21.1 Plastic Washers

Key Features & Benefits at a Glance

• Exceptional thermal stability with a wide operating range from -50°F to 500°F, ideal for extreme temperature environments
• Enhanced durability and wear resistance due to 30% carbon filler and Rockwell M103 hardness for long-lasting performance
• Reliable dimensional precision with 0.28" ID and 0.63" OD, ensuring perfect fit for 1/4" screw applications
• Superior chemical and corrosion resistance from carbon-filled PEEK plastic material, reducing maintenance needs
• Compliance with ASME B18.21.1 standards guarantees consistent quality and interchangeability in industrial assemblies
• Lightweight and non-conductive properties minimize weight and prevent electrical interference in sensitive equipment
• Full regulatory adherence to RoHS 3 and REACH, supporting sustainable and safe manufacturing practices

Professional Applications & Engineering Value

This carbon-filled PEEK plastic flat washer is engineered to address critical challenges in demanding industrial settings, such as chemical processing, aerospace, and automotive applications. The 30% carbon filler significantly enhances mechanical strength and reduces deformation under load, while the Rockwell M103 hardness ensures minimal wear over time. Its ability to withstand temperatures from -50°F to 500°F makes it suitable for environments with thermal cycling, preventing failure in high-heat or cryogenic conditions. The black color and flat washer design provide consistent performance in distributing load and preventing loosening, crucial for 1/4" screw assemblies in heavy-duty machinery. By integrating ASME B18.21.1 standards, it ensures precise fit and reliability, reducing downtime and maintenance costs in industrial washers applications.

Specification Summary & Compliance

This washer features precise dimensions with an ID of 0.28", OD of 0.63", and thickness ranging from 0.051" to 0.080", manufactured to ASME B18.21.1 specifications for consistent performance. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory adherence. The inch system of measurement and design for 1/4" screw size provide reliable integration in various assemblies, backed by the material's high-temperature resilience and mechanical properties.