S-94610A236 0.281" ID x 0.734" OD Ultra-High-Temperature Ceramic Washers

Key Features & Benefits at a Glance

• Exceptional Heat Resistance – Withstands continuous exposure up to 3000°F, preventing deformation and maintaining load distribution in extreme thermal environments.
• Superior Electrical & Thermal Insulation – Ceramic material provides excellent non-conductive properties, ideal for high-temperature electrical and furnace applications.
• Precise Fit for 1/4" Screws – 0.281" inner diameter ensures secure fastening without slippage, enhancing assembly reliability.
• Durable Off-White Ceramic Construction – Resists corrosion, oxidation, and chemical degradation, offering long-term performance in harsh industrial settings.
• RoHS 3 & REACH Compliant – Meets strict environmental and safety regulations, ensuring suitability for global supply chains and regulated industries.
• Consistent Thickness Tolerance – 0.056-0.071" thickness range provides uniform pressure distribution, reducing stress concentrations on fastened components.
• Wide Outer Diameter (0.734") – Increases bearing surface area, minimizing surface damage and improving vibration resistance in high-temperature assemblies.

Professional Applications & Engineering Value

This ceramic flat washer is engineered to address critical challenges in high-temperature and corrosive industrial environments. Made from high-purity off-white ceramic, it maintains structural integrity and dimensional stability under thermal cycling up to 3000°F, preventing common failures seen in metal washers such as galling or melting. Its excellent dielectric properties make it ideal for electrical insulation in power generation, aerospace, and furnace systems, while the precise 1/4" screw size compatibility ensures reliable fastening in assemblies subjected to intense heat. The flat washer design distributes clamp load evenly, protecting sensitive surfaces and extending the service life of high-temperature equipment.

Specification Summary & Compliance

This ceramic flat washer features an inner diameter of 0.281", outer diameter of 0.734", and thickness ranging from 0.056" to 0.071", designed for use with 1/4" screws in inch-based systems. Manufactured to provide consistent dimensional accuracy, it complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring adherence to environmental and health safety standards for industrial components. The washer is suitable for applications requiring extreme temperature resistance and non-conductive properties.