S-94733A745 0.15" ID x 0.438" OD Rubber Sealing Washers

Key Features & Benefits at a Glance

• Superior Sealing Performance: Santoprene Rubber construction provides excellent compression set resistance, ensuring long-lasting seals against moisture, dust, and chemicals in demanding environments.
• Effective Vibration Damping: The Durometer 64A hardness offers optimal flexibility to absorb shocks and reduce noise, prolonging equipment life and maintenance intervals.
• Wide Temperature Resilience: Withstands extreme conditions from -40°F to 270°F, maintaining integrity in both freezing and high-heat industrial applications without cracking or degrading.
• Chemical & Environmental Resistance: Santoprene material inherently resists oils, acids, and weathering, while RoHS 3 and REACH compliance ensures safety and regulatory adherence for global supply chains.
• Precision Fit for No. 8 Screws: Designed with 0.15" ID and 0.438" OD for accurate alignment and consistent pressure distribution, reducing installation errors and part failure risks.
• Durable Flat Washer Design: The flat profile (0.081-0.105" thickness) ensures even load spreading, protecting surfaces and enhancing fastener stability in repetitive assembly operations.
• Reliable Compliance for Industrial Use: Meets stringent RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) standards, supporting sustainable and safe manufacturing practices.

Professional Applications & Engineering Value

This Santoprene rubber flat washer is engineered to address common industrial challenges such as fluid leakage, component loosening due to vibration, and material failure under thermal stress. Its Santoprene material offers a unique balance of elasticity and durability, making it ideal for applications in automotive assemblies, HVAC systems, and electrical enclosures where chemical resistance and temperature tolerance are critical. The flat washer design with precise 0.15" ID and 0.438" OD ensures a snug fit for No. 8 screws, preventing misalignment and distributing load evenly to avoid surface damage. By integrating vibration damping and superior sealing properties, it reduces maintenance costs and downtime in machinery, while compliance with RoHS 3 and REACH supports environmentally responsible operations. This washer is a reliable solution for engineers seeking to enhance product longevity and safety in harsh operating conditions.

Specification Summary & Compliance

This washer adheres to inch system measurements with an internal diameter of 0.15", outer diameter of 0.438", and thickness ranging from 0.081" to 0.105" for consistent performance. It is manufactured from Santoprene Rubber with a Durometer 64A hardness and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets rigorous environmental and safety standards for industrial use.