S-93650A380 0.469" ID x 0.75" OD Moisture-Resistant Cushioning Washers

Key Features & Benefits at a Glance

• Superior durability from polyurethane rubber construction, resisting wear and tear in demanding environments.
• Excellent sealing and vibration dampening due to the 70A Durometer hardness, protecting components from loosening and shock.
• Wide temperature resilience from -10°F to 150°F, ensuring reliable performance in varied operational climates.
• Precise fit for 7/16" screws with a 0.469" ID and 0.75" OD, providing consistent alignment and load distribution.
• Optical clarity allows for easy visual inspection of the mounting area and underlying surfaces.
• Guaranteed environmental and safety compliance with RoHS 3 and REACH standards, suitable for regulated industries.
• Consistent thickness between 0.053" and 0.073" ensures uniform pressure and reliable performance in assembly.

Professional Applications & Engineering Value

This clear polyurethane rubber flat washer is engineered to solve common industrial challenges such as component corrosion, vibration-induced failure, and thermal expansion issues. The polyurethane material offers exceptional resilience and resistance to oils, ozone, and compression set, making it ideal for gasketing, sealing, and insulation applications in machinery, automotive assemblies, and electrical enclosures. Its Durometer 70A hardness provides the perfect balance of flexibility and firmness, absorbing shocks and preventing fastener loosening. The temperature resistance from -10°F to 150°F ensures stability in both cold storage and heated industrial settings, while the transparent design allows for non-intrusive monitoring. This washer is a reliable choice for engineers seeking a compliant, durable component that extends equipment lifespan and reduces maintenance needs.

Specification Summary & Compliance

This flat washer conforms to inch system specifications with an Inner Diameter of 0.469", Outer Diameter of 0.75", and Thickness ranging from 0.053" to 0.073", designed for use with 7/16" screw sizes. It is manufactured from polyurethane rubber with a hardness of Durometer 70A. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets stringent environmental and safety standards for industrial use.