S-93785A340 0.22" ID x 0.51" 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 applications without performance loss.
• Enhanced durability and wear resistance due to 30% carbon filler material and Rockwell M103 hardness, reducing maintenance and replacement frequency.
• Reliable chemical and corrosion resistance from carbon-filled PEEK plastic, ensuring long-term integrity in harsh industrial environments.
• Precise dimensional fit with 0.22" ID and 0.51" OD for No. 10 screws, minimizing loosening and improving assembly security.
• Compliance with industry standards including ASME B18.21.1, ensuring consistent quality and interchangeability in mechanical systems.
• Eco-friendly and safe usage with RoHS 3 and REACH compliance, supporting sustainable and regulated manufacturing processes.
• Lightweight yet strong construction for reduced overall weight in assemblies while maintaining high load-bearing capacity.

Professional Applications & Engineering Value

This carbon-filled PEEK plastic flat washer is engineered to address critical challenges in demanding sectors such as aerospace, automotive, and chemical processing. Its high-performance material combines 30% carbon filler for superior strength and Rockwell M103 hardness, effectively resisting deformation under high stress and abrasive conditions. The flat washer design ensures even load distribution, preventing surface damage and bolt loosening in vibrating machinery. With an operational range from -50°F to 500°F, it excels in extreme temperature environments, offering reliable thermal stability where metal washers may fail due to expansion or corrosion. Additionally, its chemical resistance makes it ideal for applications exposed to aggressive substances, reducing downtime and maintenance costs. By meeting ASME B18.21.1 specifications, it provides consistent performance and compatibility, enhancing the longevity and safety of industrial assemblies.

Specification Summary & Compliance

This flat washer features precise dimensions with an inner diameter of 0.22", outer diameter of 0.51", and thickness ranging from 0.036" to 0.065", designed for No. 10 screw sizes in the inch system. It conforms to ASME B18.21.1 standards for dimensional accuracy and performance. The product is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and safe for various industrial applications.