S-94610A303 0.344" ID x 0.875" OD Ultra-High-Temperature Ceramic Washers

Key Features & Benefits at a Glance

• Exceptional thermal stability - withstands continuous exposure up to 3000°F (1650°C) for reliable performance in extreme heat applications
• Superior electrical and thermal insulation properties - prevents current leakage and heat transfer in sensitive industrial equipment
• Excellent chemical resistance - maintains integrity when exposed to corrosive substances and harsh industrial environments
• Precise dimensional fit - 0.344" ID perfectly accommodates 5/16" screws while 0.875" OD provides optimal load distribution
• Consistent thickness control - 0.056-0.071" thickness range ensures uniform pressure distribution and reliable sealing performance
• Regulatory compliance assurance - meets RoHS 3 and REACH standards for safe use in regulated industries
• Durable ceramic construction - maintains structural integrity under thermal cycling and mechanical stress without degradation

Professional Applications & Engineering Value

This ceramic flat washer delivers critical engineering solutions for industries operating in extreme thermal environments. The off-white ceramic material provides exceptional thermal insulation properties, making it ideal for furnace applications, heat treatment equipment, and high-temperature processing systems where metallic washers would fail. Its chemical resistance ensures longevity in corrosive atmospheres common in chemical processing and power generation facilities. The precise 5/16" screw size compatibility with 0.344" ID and 0.875" OD dimensions guarantees proper fitment in inch-system assemblies, while the ceramic composition prevents galvanic corrosion when used with dissimilar metals. These industrial washers solve critical challenges in aerospace, semiconductor manufacturing, and energy sectors where both temperature extremes and chemical exposure demand reliable component performance.

Specification Summary & Compliance

This flat washer features inch system measurements with internal diameter of 0.344", outer diameter of 0.875", and thickness ranging from 0.056" to 0.071", specifically designed for 5/16" screw size applications. The product maintains dimensional consistency suitable for standard industrial assembly requirements. Compliance includes RoHS 3 (2015/863/EU) compliance and REACH (EC 1907/2006) compliance with current substance restrictions, ensuring environmental and safety standards are met for global industrial applications. The ceramic construction provides inherent stability without requiring additional hardness ratings for high-temperature service.