S-97215A211 0.13" ID x 0.44" OD Insulating Washers

Key Features & Benefits at a Glance

• Exceptional heat resistance - withstands continuous exposure up to 1700°F for reliable performance in extreme temperature applications
• Superior hardness rating - Rockwell C73 ceramic construction provides excellent wear resistance and long service life
• Precise dimensional fit - 0.13" ID and 0.44" OD ensure accurate alignment and secure fastening for No. 4 screws
• Optimal insulation properties - ceramic material prevents thermal transfer and electrical conductivity in sensitive applications
• Regulatory compliance assurance - meets RoHS 3 and REACH standards for safe use in regulated industries
• Durable sleeve design - 0.225" overall height with 0.125" inside depth provides structural stability under pressure
• Consistent performance - off-white ceramic maintains integrity across thermal cycles without degradation

Professional Applications & Engineering Value

This ceramic sleeve washer delivers critical performance advantages in demanding industrial environments where conventional metal washers fail. The high-temperature ceramic construction maintains dimensional stability and mechanical properties at extreme temperatures up to 1700°F, solving common thermal expansion and degradation issues. Engineered for No. 4 screw applications, the precise 0.13" ID and 0.44" OD ensure perfect alignment in electrical insulation, thermal barrier, and high-heat fastener systems. The Rockwell C73 hardness provides exceptional resistance to compression and wear, making these inch-system washers ideal for aerospace, semiconductor manufacturing, furnace equipment, and power generation applications where reliability under thermal stress is paramount.

Specification Summary & Compliance

This precision ceramic sleeve washer features inch dimensions with 0.13" internal diameter, 0.44" outer diameter, and 0.100" thickness. The component maintains dimensional accuracy across its specified temperature range and is manufactured to exacting standards for No. 4 screw applications. Compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and restricted substance adherence for global industrial use. The washer's ceramic composition and construction deliver consistent performance within specified temperature and mechanical parameters.