S-93412A448 0.355" ID x 0.625" OD Rubber Sealing Washers

Key Features & Benefits at a Glance

• Exceptional temperature resilience for reliable performance from -10°F to 400°F, minimizing failure in extreme thermal cycling
• Superior chemical resistance from Viton® Fluoroelastomer material, extending service life in harsh chemical environments
• Optimal sealing and vibration damping with Durometer 75A hardness, providing consistent pressure distribution and noise reduction
• Precise dimensional fit with 0.355" ID and 0.625" OD, ensuring secure placement on 3/8" screws without slippage
• Enhanced durability in demanding applications due to robust material properties, reducing maintenance frequency and replacement costs
• Compliance with global environmental standards including RoHS 3 and REACH, supporting sustainable and safe industrial operations
• Consistent thickness control between 0.052" to 0.072", guaranteeing uniform load bearing and assembly integrity

Professional Applications & Engineering Value

This Viton® flat washer is engineered to solve critical challenges in high-temperature and chemically aggressive industrial environments. Constructed from Viton® Fluoroelastomer rubber, it maintains elasticity and sealing properties where standard washers degrade, preventing leaks and fastener corrosion in applications like chemical processing, automotive systems, and aerospace components. The black color and inch system measurements ensure easy identification and compatibility with 3/8" screws, while its wide temperature range from -10°F to 400°F allows for use in both cryogenic and high-heat settings. By integrating chemical resistance with mechanical stability, it reduces downtime and enhances safety in heavy-duty washers applications, delivering long-term reliability for engineers and maintenance teams.

Specification Summary & Compliance

This flat washer features precise dimensions: 0.355" ID, 0.625" OD, and thickness of 0.052-0.072", designed for 3/8" screw sizes in the inch system of measurement. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring adherence to environmental and safety standards. The Durometer 75A hardness provides consistent performance under load, supporting applications requiring reliable sealing and vibration isolation without material degradation.