S-91367A931 0.99" ID x 2" OD Rubber Sealing Washers

Key Features & Benefits at a Glance

• Exceptional temperature resilience for reliable performance in extreme environments from -60°F to 400°F
• Superior chemical and fluid resistance thanks to fluorosilicone rubber construction, extending service life in harsh conditions
• Optimal sealing and vibration dampening with Durometer 60A hardness, providing consistent compression and leak prevention
• Precise dimensional fit with 0.99" ID designed for 1" screw size, ensuring easy installation and secure fastening
• Enhanced durability and non-conductive properties of rubber material, protecting assemblies from galvanic corrosion and electrical interference
• Regulatory compliance assurance with RoHS 3 and REACH standards, meeting global environmental and safety requirements
• High-visibility blue color for quick identification and inventory management in complex industrial settings

Professional Applications & Engineering Value

This fluorosilicone rubber flat washer is engineered to address critical challenges in demanding sectors such as aerospace, automotive, and chemical processing, where extreme temperature fluctuations and exposure to aggressive chemicals are common. The fluorosilicone material provides excellent resistance to fuels, oils, and solvents, preventing degradation and maintaining seal integrity over time. Its Durometer 60A hardness offers the ideal balance between flexibility and compression, ensuring effective sealing performance against moisture, dust, and pressure leaks. By withstanding temperatures from -60°F to 400°F, this washer reduces maintenance frequency and downtime in high-temperature industrial applications, delivering long-term reliability and cost savings for engineers and procurement specialists.

Specification Summary & Compliance

This flat washer conforms to inch system measurements with an OD of 2", ID of 0.99", and thickness range of 0.052-0.072", ensuring precise compatibility with 1" screw sizes. Manufactured from fluorosilicone rubber with a hardness of Durometer 60A, it meets industry standards for dimensional accuracy and material consistency. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, affirming its adherence to strict environmental and health safety protocols for industrial use.