S-95630A902 0.469" ID x 0.875" OD Plastic Washers

Key Features & Benefits at a Glance

• Exceptional high-temperature performance – withstands continuous operation up to 500°F without degradation, ideal for thermal cycling environments
• Superior chemical resistance – PTFE material provides excellent protection against corrosive chemicals and solvents in harsh industrial settings
• Consistent mechanical properties – maintains Durometer 55D hardness across temperature ranges for reliable load distribution and vibration damping
• Precision dimensional stability – 0.469" ID and 0.875" OD ensure perfect fit for 7/16" fasteners with uniform 0.056-0.071" thickness
• Regulatory compliance assurance – meets RoHS 3 and REACH standards for safe use in regulated industries and international markets
• Low friction surface – white PTFE construction reduces galling and sticking during assembly and disassembly procedures
• Durable plastic construction – provides excellent electrical insulation and corrosion resistance compared to metal alternatives

Professional Applications & Engineering Value

This PTFE plastic flat washer delivers critical performance in demanding industrial environments where temperature extremes and chemical exposure compromise conventional washers. The white PTFE material maintains structural integrity at 500°F maximum temperature while providing exceptional chemical resistance against aggressive solvents, acids, and bases. Engineered for 7/16" screw size applications, these flat washers solve common engineering challenges in chemical processing, food manufacturing, and aerospace industries where metal corrosion, contamination, or thermal expansion cause fastener failure. The Durometer 55D hardness ensures consistent compression and sealing performance without embrittlement, making them ideal for gasketing, spacing, and load distribution in high-temperature assemblies.

Specification Summary & Compliance

Manufactured to inch system specifications with precise dimensions: 0.469" inner diameter, 0.875" outer diameter, and 0.056-0.071" thickness range for consistent performance. The PTFE flat washer maintains dimensional stability across its operational range and complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory acceptance for industrial applications worldwide. The material hardness of Durometer 55D provides optimal balance between flexibility and load-bearing capacity for reliable fastening performance.