S-91367A948 0.195" ID x 0.437" 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 material degradation under extreme conditions.
• Superior chemical resistance due to fluorosilicone rubber construction, ensuring longevity when exposed to oils, fuels, and solvents.
• Effective sealing and vibration dampening with a Durometer 60A hardness that provides optimal compression and maintains a secure seal.
• Precise dimensional fit with a 0.195" ID and 0.437" OD designed specifically for No. 12 screws, ensuring easy installation and reduced assembly errors.
• Enhanced safety and compliance with RoHS 3 and REACH regulations, supporting environmentally responsible and legally compliant industrial operations.
• Durable blue material for easy identification and inventory management in fast-paced industrial settings.
• Consistent thickness (0.052-0.072") for uniform load distribution and reliable performance in high-stress applications.

Professional Applications & Engineering Value

This fluorosilicone rubber flat washer is engineered to address critical challenges in demanding industrial environments, such as automotive, aerospace, and chemical processing. Its high-temperature resistance from -60°F to 400°F ensures stability in thermal cycling, preventing leaks and failures in sealing applications. The Durometer 60A hardness offers a balance of flexibility and compression, ideal for vibration isolation and maintaining seal integrity under dynamic loads. Made from fluorosilicone rubber, it resists harsh chemicals and ozone, extending service life in corrosive settings. Compatible with No. 12 screws and inch system measurements, it simplifies procurement and installation for industrial washers used in machinery, electronics, and fluid systems, reducing downtime and maintenance costs.

Specification Summary & Compliance

This washer features precise dimensions with an ID of 0.195", OD of 0.437", and thickness of 0.052-0.072", ensuring accurate fit for No. 12 screw size in inch-based assemblies. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) standards, confirming adherence to environmental and safety regulations. The material, fluorosilicone rubber with a Durometer 60A hardness, is manufactured to provide consistent performance across the specified temperature range, supporting reliable use in regulated industries.