S-93303A111 0.75" ID x 1.5" OD Rubber Sealing Washers

Key Features & Benefits at a Glance

• Exceptional thermal resilience with a broad operating range from -20°F to 460°F, ensuring reliable performance in extreme temperature environments.
• Superior durability and wear resistance due to the hybrid Aramid Fabric/Buna-N Rubber construction, extending service life in demanding industrial applications.
• Optimal sealing and vibration dampening provided by the Durometer 70A hardness, which maintains flexibility while resisting compression set.
• Precise dimensional fit with 0.75" ID and 1.5" OD, ensuring easy installation and secure fastening for 3/4" screw sizes.
• Enhanced chemical and environmental resistance from the Buna-N Rubber component, protecting against oils, solvents, and weathering.
• Compliance with RoHS 3 (2015/863/EU) standards, guaranteeing safe, lead-free materials for regulated industries.
• High-visibility green color aids in quick identification and inventory management during assembly or maintenance.

Professional Applications & Engineering Value

This high-temperature flat washer combines Aramid Fabric for tensile strength and Buna-N Rubber for elasticity, creating a robust solution that addresses common industrial challenges like thermal expansion, chemical exposure, and mechanical stress. Ideal for automotive, aerospace, and heavy machinery applications, it prevents loosening under vibration and provides a reliable seal in extreme temperature conditions from -20°F to 460°F. The 0.75" ID and 1.5" OD ensure precise alignment with 3/4" screw sizes, reducing installation errors and enhancing assembly efficiency in inch system setups. Its Durometer 70A hardness balances flexibility and load distribution, making it a versatile choice for gasketing, spacing, and insulation tasks where durability and compliance are critical.

Specification Summary & Compliance

This flat washer features an inner diameter (ID) of 0.75", outer diameter (OD) of 1.5", and thickness ranging from 0.054" to 0.070", designed for use with 3/4" screws in inch measurement systems. It complies with RoHS 3 (2015/863/EU) regulations, ensuring environmental safety and material reliability for industrial use.