S-90131A613 0.531" ID x 1.75" OD Abrasion-Resistant Cushioning Washers

Key Features & Benefits at a Glance

• Superior Sealing and Vibration Dampening: Made from SBR rubber with Durometer 70A hardness, providing excellent flexibility and compression to seal out moisture, dust, and reduce noise in industrial assemblies.
• Enhanced Durability and Tear Resistance: Reinforced with polyester fiber filler, increasing the washer's strength and lifespan under repetitive stress and movement.
• Reliable High-Temperature Performance: Withstands temperatures up to 170°F, ensuring consistent performance and integrity in warm operating environments.
• Precision Fit for 1/2" Screws: Features a 0.531" ID and 1.75" OD, offering a secure, snug fit that prevents misalignment and improves load distribution.
• Compliance with Global Standards: RoHS 3 and REACH compliant, guaranteeing the washer is free from hazardous substances and safe for use in regulated industries.
• Versatile Industrial Application: Ideal as a flat washer or gasket for machinery, automotive, and plumbing, providing effective sealing and insulation.
• Dependable Material Consistency: Black SBR rubber ensures uniform quality and resistance to oils, aging, and environmental factors, reducing maintenance needs.

Professional Applications & Engineering Value

This SBR rubber flat washer is engineered to address common industrial challenges such as fluid leakage, component wear, and vibration-induced failures. The Durometer 70A hardness and polyester fiber filler work together to deliver a robust sealing solution that maintains its shape under pressure, making it perfect for high-temperature applications up to 170°F. In sectors like automotive assembly, machinery manufacturing, and plumbing systems, it serves as a reliable flat washer or gasket, preventing corrosion and ensuring long-term equipment reliability. By choosing this RoHS and REACH compliant washer, engineers can enhance safety and efficiency in industrial washers and sealing setups, minimizing downtime and replacement costs.

Specification Summary & Compliance

This washer adheres to inch system measurements with an ID of 0.531", OD of 1.75", and thickness ranging from 0.078" to 0.108", designed for a 1/2" screw size. It meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance standards, ensuring environmental safety and regulatory alignment for global industrial use.