S-95630A835 0.281" ID x 1.5" OD Plastic Washers

Key Features & Benefits at a Glance

• Exceptional Heat Resistance: Withstands continuous operation up to 500°F, ensuring reliable performance in high-temperature processes and preventing material degradation.
• Superior Chemical & Corrosion Resistance: Made from PTFE plastic, this washer is inert to most chemicals, protecting your assembly from corrosive substances and extending its service life.
• Non-Stick & Low Friction Properties: The inherent non-stick surface prevents material adhesion and reduces friction, facilitating easier maintenance and disassembly while minimizing galling.
• Consistent Mechanical Performance: Features a Durometer 55D hardness, providing an optimal balance of resilience and load distribution to maintain seal integrity under compression.
• Precision Fit for 1/4" Fasteners: Engineered with a 0.281" ID and 1.5" OD for a perfect fit on 1/4" screws, ensuring proper alignment and even pressure distribution.
• Regulatory Compliance for Global Markets: Confirmed as RoHS 3 and REACH compliant, meeting stringent international standards for hazardous substances and ensuring supply chain safety.
• Durable & Reliable Construction: The controlled 0.027-0.035" thickness provides consistent performance and durability, making it a dependable component for critical applications.

Professional Applications & Engineering Value

This PTFE flat washer is engineered to solve critical challenges in demanding industrial environments. Its high-temperature rating of 500°F makes it indispensable for applications in chemical processing, food and beverage equipment, and automotive systems where thermal stability is non-negotiable. The chemical resistance of the PTFE material prevents swelling, cracking, or contamination when exposed to aggressive solvents, acids, and bases, ensuring long-term seal integrity and preventing fastener corrosion. The non-stick property is particularly valuable in applications involving adhesives, sticky materials, or in sanitary processes, as it allows for easy cleaning and prevents particle buildup. By specifying this white plastic washer with a Durometer 55D hardness, engineers achieve a reliable, compliant sealing solution that enhances assembly longevity and reduces maintenance downtime in extreme service conditions.

Specification Summary & Compliance

This flat washer conforms to the inch system of measurement with an Inside Diameter (ID) of 0.281", Outside Diameter (OD) of 1.5", and a Thickness of 0.027-0.035", designed for use with 1/4" screw size. It is manufactured from PTFE plastic with a hardness of Durometer 55D. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and safe for use in regulated markets.