S-91367A953 0.23" ID x 0.5" OD Rubber Sealing Washers

Key Features & Benefits at a Glance

• Exceptional thermal stability for reliable performance in extreme environments from -60°F to 400°F, preventing seal failure under rapid temperature fluctuations.
• Superior chemical resistance with fluorosilicone rubber material, offering excellent protection against oils, fuels, and solvents in harsh industrial settings.
• Optimized sealing performance due to Durometer 60A hardness, ensuring a firm yet flexible seal that conforms to surfaces without over-compression.
• Precise dimensional fit with 0.23" ID and 0.5" OD, designed for 1/4" screws to provide consistent alignment and prevent leakage in assembly applications.
• Regulatory compliance assurance with RoHS 3 and REACH adherence, meeting stringent environmental and safety standards for global industrial use.
• Enhanced durability and longevity through fluorosilicone's resistance to aging, ozone, and weathering, reducing maintenance and replacement costs.
• Easy identification and organization with a distinct blue color, streamlining inventory management and installation processes in busy work environments.

Professional Applications & Engineering Value

These fluorosilicone rubber flat washers are engineered to address critical challenges in demanding industrial applications where temperature extremes and chemical exposure compromise standard seals. The fluorosilicone material combines the flexibility of silicone with enhanced resistance to fuels, oils, and aggressive chemicals, making it ideal for automotive, aerospace, and chemical processing industries. With a temperature range of -60°F to 400°F, they maintain elasticity and sealing integrity in environments subject to thermal cycling, preventing leaks in engine compartments, HVAC systems, and hydraulic assemblies. The flat washer design and precise inch dimensions ensure easy integration with 1/4" fasteners, providing a reliable barrier against moisture and contaminants while supporting long-term equipment reliability and reducing downtime.

Specification Summary & Compliance

This flat washer features an ID of 0.23", OD of 0.5", and thickness between 0.083-0.103" for use with 1/4" screw sizes, manufactured to standard inch system measurements. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring adherence to hazardous substance restrictions and environmental safety protocols. The material hardness is rated at Durometer 60A, providing consistent performance across specified industrial applications.