S-90131A606 0.406" ID x 0.625" OD Abrasion-Resistant Cushioning Washers

Key Features & Benefits at a Glance

• Superior vibration damping with SBR rubber construction to reduce noise and prevent component loosening in dynamic industrial environments.
• Excellent fluid and chemical resistance for reliable sealing in applications exposed to oils, water, and mild chemicals.
• Enhanced durability and tear resistance due to polyester fiber filler, extending service life under compression and cyclic loads.
• Consistent performance up to 170°F, maintaining elasticity and sealing properties in moderate temperature conditions.
• Precise dimensional fit with ID 0.406" and OD 0.625" for secure placement on 3/8" fasteners, ensuring effective load distribution.
• Controlled compression and flexibility with Durometer 70A hardness, providing optimal gasketing without over-stressing mating surfaces.
• Compliance with global environmental standards including RoHS 3 and REACH, supporting sustainable and safe manufacturing practices.

Professional Applications & Engineering Value

This SBR rubber flat washer is engineered to address critical challenges in industrial sealing and vibration management. The SBR material combined with polyester fiber filler delivers exceptional resilience against compression set and mechanical wear, making it ideal for heavy-duty applications such as machinery assembly, automotive systems, and fluid handling equipment. Its black color and Durometer 70A hardness ensure consistent performance in creating reliable seals that prevent leaks and absorb shocks, even under continuous operational stress. By providing a robust barrier against environmental factors and minimizing maintenance downtime, this flat washer enhances the longevity and efficiency of industrial fastening systems.

Specification Summary & Compliance

This washer features an inner diameter (ID) of 0.406", outer diameter (OD) of 0.625", and thickness range of 0.047-0.077", designed for use with 3/8" screw sizes in inch measurement systems. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring adherence to strict environmental and safety standards. The material specifications include SBR rubber with polyester fiber filler, providing reliable performance in industrial settings.