S-93303A108 0.5" ID x 1" OD Rubber Sealing Washers

Key Features & Benefits at a Glance

• Exceptional temperature resilience for reliable performance in environments ranging from -20°F to 460°F, preventing material degradation under thermal stress.
• Superior chemical resistance due to the Aramid Fabric/Buna-N Rubber composite, ensuring longevity when exposed to harsh industrial chemicals and oils.
• Optimal sealing and vibration dampening with a Durometer 70A hardness, providing a secure fit and reducing noise and wear in 1/2" screw assemblies.
• Robust dimensional stability with a precise 0.5" ID and 1" OD, ensuring consistent alignment and load distribution in inch-system applications.
• Enhanced durability and tear resistance from the aramid fabric reinforcement, ideal for heavy-duty mechanical and electrical equipment.
• Compliance with RoHS 3 standards, guaranteeing the washer is free from hazardous substances for safe use in regulated industries.
• Easy identification and corrosion resistance with a green color, facilitating quick installation and maintenance in demanding settings.

Professional Applications & Engineering Value

This high-temperature flat washer combines Aramid Fabric for tensile strength and Buna-N Rubber for flexibility, addressing common failures in extreme conditions. Its composite structure resists compression set and chemical exposure, making it perfect for industrial washers in automotive, aerospace, and manufacturing sectors. Engineers benefit from reliable sealing performance and vibration isolation in 1/2" screw applications, reducing maintenance downtime and enhancing equipment lifespan. The durometer 70A hardness ensures a snug fit without over-tightening, while the wide temperature range from -20°F to 460°F supports operations in both freezing and high-heat environments, delivering consistent chemical resistant protection.

Specification Summary & Compliance

This washer adheres to inch-system dimensions with an ID of 0.5", OD of 1", and thickness between 0.054-0.070", ensuring precise fit for 1/2" screw size. It meets RoHS 3 (2015/863/EU) compliance for environmental safety, with a hardness of Durometer 70A and a maximum temperature rating of 460°F. The flat washer design supports standard industrial specifications, providing reliable performance in diverse applications without hazardous materials.