S-94610A310 0.938" ID x 2.25" OD ASME B18.21.1 Ultra-High-Temperature Ceramic Washers

Key Features & Benefits at a Glance

• Exceptional thermal stability - withstands extreme temperatures up to 3000°F without degradation, ensuring reliable performance in high-heat applications
• Precision dimensional accuracy - 0.938" ID and 2.25" OD provide perfect fit for 7/8" screws, eliminating installation issues and maintaining proper alignment
• Superior electrical insulation properties - ceramic construction prevents current flow, protecting equipment from electrical shorts and grounding issues
• Chemical and corrosion resistance - maintains integrity in harsh chemical environments where metal washers would corrode or fail
• Industry-standard compliance - manufactured to ASME B18.21.1 specifications, guaranteeing consistent quality and interchangeability
• Environmental regulation adherence - RoHS 3 and REACH compliant construction ensures safe use without hazardous substance concerns
• Consistent thickness control - 0.146-0.174" thickness range provides uniform load distribution and reliable sealing performance

Professional Applications & Engineering Value

This ceramic flat washer delivers critical engineering solutions for industries facing extreme thermal challenges. The off-white ceramic material provides exceptional thermal resistance up to 3000°F, making it ideal for furnace applications, high-temperature processing equipment, and thermal management systems where metal components would fail. The precise 0.938" ID and 2.25" OD dimensions ensure perfect compatibility with 7/8" screws, while the ceramic construction offers excellent electrical insulation properties for applications requiring dielectric separation. Engineered to ASME B18.21.1 standards, this washer maintains dimensional stability under thermal cycling, preventing loosening and maintaining bolt preload in environments where thermal expansion would compromise metal fasteners. The inch system measurement provides familiar sizing for North American industrial applications, streamlining procurement and replacement processes.

Specification Summary & Compliance

This ceramic flat washer features precision dimensions with 0.938" inner diameter, 2.25" outer diameter, and thickness ranging from 0.146" to 0.174" for optimal performance with 7/8" screws. Manufactured in compliance with ASME B18.21.1 specifications for flat washers, ensuring dimensional accuracy and mechanical requirements. The product meets RoHS 3 (2015/863/EU) compliance standards and is REACH (EC 1907/2006) compliant, confirming adherence to environmental regulations and restricted substance requirements. The ceramic material provides maximum temperature resistance up to 3000°F while maintaining structural integrity and insulation properties.