S-5916K56 1" ID x 2.5" OD Chemical-Resistant Cushioning Washers

Key Features & Benefits at a Glance

• Superior sealing performance with raised grid design that enhances compression and prevents fluid or gas leakage in industrial assemblies.
• Excellent vibration resistance due to Buna-N rubber material, reducing loosening and maintaining joint integrity under dynamic loads.
• High-temperature durability withstanding up to 200°F, ideal for applications in heated environments without compromising material properties.
• Precise dimensional fit with 1" inner diameter and 2.5" outer diameter, ensuring easy installation and compatibility with standard 1" screw sizes.
• Optimized load distribution from the 0.625" raised grid width, minimizing surface damage and extending the life of connected components.
• Consistent hardness and flexibility with Durometer 63A rating, providing reliable cushioning and shock absorption in demanding settings.
• Environmental and regulatory compliance meeting RoHS 3 and REACH standards, ensuring safe use in global industrial supply chains.

Professional Applications & Engineering Value

This Buna-N rubber raised grid washer is engineered to address common challenges in industrial sealing and vibration management. The raised grid pattern increases surface contact pressure, creating an effective seal against moisture, dust, and chemicals, which is critical in machinery, automotive, and plumbing systems. Made from Buna-N rubber, it offers excellent resistance to oils, fuels, and abrasion, while the 63A hardness ensures flexibility without sacrificing durability. Its ability to perform in temperatures up to 200°F makes it suitable for engines, pumps, and HVAC units, where thermal stability is essential. By integrating precise inch system measurements like the 1" ID and 2.5" OD, this washer simplifies procurement and installation, reducing downtime in industrial applications and enhancing overall equipment reliability.

Specification Summary & Compliance

This washer features precise dimensions including an inner diameter of 1", outer diameter of 2.5", and thickness range of 0.469-0.531", with a raised grid width of 0.625" and indented grid width of 0.375", designed for compatibility with 1" screw sizes. It adheres to standard inch system measurements and is manufactured from Buna-N rubber with a Durometer 63A hardness. Compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets environmental and safety requirements for industrial use.