S-93785A812 0.078" ID x 0.188" OD ASME B18.21.1 Plastic Washers

Key Features & Benefits at a Glance

• Exceptional thermal stability maintains performance in extreme temperatures from -20°F to 500°F
• Superior chemical resistance ensures long-term reliability in corrosive industrial environments
• High dimensional precision with 0.078" ID and 0.188" OD provides perfect fit for No. 0 screws
• Rockwell M103 hardness delivers excellent wear resistance and mechanical durability
• ASME B18.21.1 compliance guarantees standardized quality and interchangeability
• Regulatory compliance with RoHS 3 and REACH ensures environmental and safety standards
• Consistent thickness control between 0.016-0.025" enables reliable load distribution

Professional Applications & Engineering Value

This PEEK plastic flat washer delivers critical engineering solutions for demanding applications where conventional materials fail. The high-temperature rating to 500°F makes it ideal for aerospace, automotive, and chemical processing equipment exposed to thermal cycling. Its chemical resistance prevents degradation in aggressive environments, while the dimensional stability ensures consistent performance in precision assemblies. The black PEEK material combined with ASME B18.21.1 compliance provides reliable sealing and spacing functions for No. 0 screw applications in electronic enclosures, medical devices, and industrial machinery operating under extreme conditions.

Specification Summary & Compliance

This flat washer features precise dimensional specifications with 0.078" inner diameter, 0.188" outer diameter, and thickness ranging 0.016-0.025". Manufactured to ASME B18.21.1 standards for flat washers, it ensures consistent quality and performance. The product is fully RoHS 3 (2015/863/EU) compliant and REACH (EC 1907/2006) compliant, meeting current environmental regulations. The inch system measurement provides compatibility with standard industrial components requiring precise fit and thermal performance characteristics.