S-91367A923 0.355" ID x 0.812" OD Rubber Sealing Washers

Key Features & Benefits at a Glance

• Exceptional temperature resilience for reliable performance in environments ranging from -60°F to 400°F, minimizing failure in thermal cycling applications.
• Superior chemical and fluid resistance due to fluorosilicone rubber construction, ensuring longevity in harsh industrial settings.
• Optimal sealing performance with a Durometer 60A hardness, providing an effective seal against moisture, dust, and gases.
• Precise dimensional fit with a 0.355" ID and 0.812" OD, designed for 3/8" screw sizes to ensure easy installation and secure fastening.
• Enhanced safety and compliance by meeting RoHS 3 and REACH standards, making it suitable for regulated industries.
• Durable and consistent thickness between 0.052" to 0.072", offering uniform compression and long-term reliability.
• High-visibility blue color for easy identification and inventory management in complex assemblies.

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 oils, fuels, and solvents, preventing degradation and maintaining seal integrity over time. Its Durometer 60A hardness ensures sufficient flexibility for effective sealing without compromising on durability, making it ideal for gasketing, vibration damping, and fluid containment applications. By withstanding temperatures from -60°F to 400°F, it eliminates the need for frequent replacements, reducing downtime and maintenance costs in industrial environments. The precise inch system dimensions, including the 3/8" screw size compatibility, facilitate seamless integration into existing assemblies, enhancing overall system reliability.

Specification Summary & Compliance

This flat washer adheres to inch system measurement standards with an inner diameter (ID) of 0.355", outer diameter (OD) of 0.812", and thickness ranging from 0.052" to 0.072", ensuring dimensional accuracy for 3/8" screw sizes. It is manufactured from fluorosilicone rubber with a hardness of Durometer 60A and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming the absence of hazardous substances and supporting use in environmentally conscious and regulated applications.