S-91367A959 0.355" ID x 0.625" OD Rubber Sealing Washers

Key Features & Benefits at a Glance

• Exceptional temperature resistance from -60°F to 400°F for reliable performance in extreme thermal environments
• Superior chemical resistance with fluorosilicone rubber construction for enhanced durability against oils, fuels, and solvents
• Consistent sealing performance with Durometer 60A hardness providing optimal compression and recovery
• Precision dimensional fit with 0.355" ID and 0.625" OD ensuring proper alignment with 3/8" screw sizes
• Reliable thickness tolerance (0.083-0.103") for uniform load distribution and consistent gasketing performance
• Compliance assurance with RoHS 3 and REACH regulations for safe use in regulated industrial applications
• Easy identification with blue color coding for quick visual inspection and inventory management

Professional Applications & Engineering Value

This fluorosilicone rubber flat washer delivers critical engineering solutions for demanding industrial applications where conventional elastomers fail. The specialized fluorosilicone rubber material maintains flexibility and sealing integrity across extreme temperature fluctuations from -60°F to 400°F, preventing leaks in automotive, aerospace, and chemical processing equipment. Its chemical-resistant properties provide reliable performance in harsh environments exposed to fuels, oils, and industrial solvents. The precise 0.355" ID and 0.625" OD dimensions ensure perfect fitment with 3/8" screw sizes, while the controlled thickness variation guarantees consistent compression for vibration damping and effective gasketing. These flat washers serve as essential components in thermal management systems, engine compartments, and industrial machinery where temperature extremes and chemical exposure would compromise standard rubber washers.

Specification Summary & Compliance

This inch-system flat washer features precise dimensional specifications including 0.355" inner diameter, 0.625" outer diameter, and thickness range of 0.083-0.103" with Durometer 60A hardness rating. The product is manufactured to meet RoHS 3 (2015/863/EU) compliance and REACH (EC 1907/2006) compliance with current SVHC requirements, ensuring environmental safety and regulatory adherence for industrial applications worldwide.