S-91367A952 0.23" ID x 0.5" 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, preventing failure under extreme thermal cycling
• Superior chemical and fluid resistance thanks to fluorosilicone rubber construction, ensuring longevity in harsh industrial settings
• Consistent sealing and vibration dampening with a Durometer 60A hardness, providing optimal compression and recovery
• Precise dimensional fit for 1/4" screw applications with a 0.23" ID and 0.5" OD, ensuring easy installation and secure fastening
• Enhanced operational safety and compliance by meeting RoHS 3 and REACH regulations, supporting responsible manufacturing and supply chain requirements
• Durable material properties that resist ozone, weathering, and aging, extending service life and reducing maintenance frequency

Professional Applications & Engineering Value

These fluorosilicone rubber flat washers are engineered to address critical challenges in demanding sectors such as aerospace, automotive, and chemical processing. The fluorosilicone material offers excellent resistance to fuels, oils, and solvents, while the wide temperature range from -60°F to 400°F ensures integrity in both cryogenic and high-heat applications. The flat washer design and Durometer 60A hardness provide effective load distribution and sealing on 1/4" fasteners, preventing leaks and loosening in vibrating machinery. This makes them ideal for gasketing, insulation, and spacer roles in extreme temperature and chemically aggressive environments, enhancing equipment uptime and safety.

Specification Summary & Compliance

This washer features an ID of 0.23", OD of 0.5", and thickness of 0.052-0.072", designed for use with 1/4" screws in inch measurement systems. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring adherence to environmental and safety standards. The material's hardness is specified as Durometer 60A, providing consistent performance across its operational temperature spectrum.