S-93303A102 0.25" ID x 0.625" OD Rubber Sealing Washers

Key Features & Benefits at a Glance

• Exceptional temperature resistance from -20°F to 460°F, ensuring reliable performance in extreme thermal environments without degradation.
• Superior chemical and fluid resistance due to the Buna-N Rubber component, ideal for industrial applications involving oils, fuels, and solvents.
• Enhanced durability and load distribution with Aramid Fabric reinforcement, reducing wear and extending service life under high-stress conditions.
• Optimal sealing and vibration dampening from Durometer 70A hardness, providing a secure, flexible seal that minimizes loosening in dynamic assemblies.
• Precise dimensional fit with 0.25" ID and 0.625" OD, ensuring easy installation and compatibility with 1/4" screws for consistent performance.
• RoHS 3 compliance for environmentally safe use, meeting strict regulatory standards in various industrial sectors.
• Color-coded green for easy identification, streamlining inventory management and assembly processes in fast-paced work environments.

Professional Applications & Engineering Value

This high-temperature flat washer combines Aramid Fabric for structural integrity and Buna-N Rubber for flexibility, addressing common industrial challenges like thermal expansion, chemical exposure, and mechanical stress. In applications such as automotive engines, aerospace components, and heavy machinery, it prevents leaks and maintains bolt tension under fluctuating temperatures from -20°F to 460°F. The Durometer 70A hardness offers an ideal balance of compression and resilience, making it a go-to sealing washer for environments requiring chemical resistance and long-term durability. By integrating this 1/4 inch washer, engineers can enhance assembly reliability, reduce maintenance costs, and ensure compliance with industry standards for demanding operational conditions.

Specification Summary & Compliance

This flat washer adheres to inch system measurements with an ID of 0.25", OD of 0.625", and thickness ranging from 0.054" to 0.070", designed for use with 1/4" screws. It meets RoHS 3 (2015/863/EU) compliance, ensuring it is free from hazardous substances, and is manufactured to provide consistent performance across a broad temperature spectrum. The combination of Aramid Fabric and Buna-N Rubber materials ensures it meets general industrial specifications for sealing and insulation applications, supporting reliable operation in varied engineering contexts.