S-93650A217 0.53" ID x 1.25" OD Moisture-Resistant Cushioning Washers

Key Features & Benefits at a Glance

• Superior sealing performance with clear polyurethane rubber construction, ideal for applications requiring visual inspection or aesthetic appeal.
• Excellent chemical and abrasion resistance due to polyurethane material, ensuring long-lasting protection in harsh industrial environments.
• Optimal flexibility and load distribution from Durometer 70A hardness, reducing vibration and preventing loosening under dynamic conditions.
• Wide temperature tolerance from -10°F to 150°F, maintaining integrity in fluctuating thermal settings without cracking or degrading.
• Precise dimensional fit with 0.53" ID and 1.25" OD, designed for 1/2" screws to ensure easy installation and reliable alignment.
• Regulatory compliance assurance with RoHS 3 and REACH standards, supporting safe use in global markets and eco-conscious industries.
• Durable and non-conductive properties make it suitable for electrical insulation and corrosion-prone assemblies.

Professional Applications & Engineering Value

This clear polyurethane rubber flat washer is engineered to address common industrial challenges such as fluid leakage, chemical exposure, and mechanical stress. Its polyurethane material offers exceptional resilience and chemical resistance, making it ideal for sealing applications in machinery, automotive, and plumbing systems where oils, solvents, or moisture are present. The flat washer design ensures even pressure distribution, preventing surface damage and extending the life of fastened components. With a temperature range of -10°F to 150°F, it performs reliably in both low-temperature and moderate-heat environments, reducing maintenance needs. The transparent clear color allows for easy visual checks without disassembly, saving time in quality control and assembly line processes. These features make it a valuable choice for B2B procurement in sectors demanding durable, compliant, and precision-fit sealing solutions.

Specification Summary & Compliance

This washer adheres to precise dimensional standards with an inner diameter of 0.53", outer diameter of 1.25", and thickness ranging from 0.085" to 0.101", ensuring compatibility with 1/2" screw sizes in inch-based systems. It meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, confirming it is free from hazardous substances and suitable for international industrial use. The material hardness is specified as Durometer 70A, providing consistent performance across the operating temperature range from -10°F to 150°F, and it is manufactured to flat washer specifications for reliable fastening and sealing applications.