S-93650A155 0.317" ID x 0.562" OD Moisture-Resistant Cushioning Washers

Key Features & Benefits at a Glance

• Superior chemical resistance for reliable performance in harsh industrial environments
• Excellent temperature stability maintaining integrity from -10°F to 150°F
• Optimal sealing capability with Durometer 70A hardness providing perfect compression and recovery
• Crystal clear visibility allowing for easy inspection and aesthetic applications
• Precision dimensional accuracy with 0.317" ID and 0.562" OD ensuring perfect fit for 5/16" screws
• Enhanced durability through polyurethane rubber construction for long service life
• Full regulatory compliance meeting RoHS 3 and REACH standards for global market acceptance

Professional Applications & Engineering Value

This clear polyurethane rubber flat washer delivers exceptional engineering value through its specialized material properties and precise dimensional design. The Durometer 70A hardness provides ideal compression characteristics for effective sealing while maintaining flexibility. The chemical-resistant polyurethane rubber construction solves critical industrial challenges by preventing fluid ingress and withstanding exposure to various chemicals. These flat washers are particularly valuable in applications requiring visual verification of proper installation, such as transparent assemblies or inspection ports. The material's inherent resilience ensures consistent performance in vibration-prone environments, making these industrial washers ideal for machinery, equipment manufacturing, and precision instrumentation where reliable sealing and chemical resistance are paramount.

Specification Summary & Compliance

This flat washer features precise inch dimensions with 0.317" inner diameter, 0.562" outer diameter, and thickness ranging from 0.085" to 0.101", specifically engineered for 5/16" screw applications. The manufacturing follows strict quality standards to ensure dimensional accuracy and performance consistency. The product is fully compliant with RoHS 3 (2015/863/EU) regulations and REACH (EC 1907/2006) standards, including the latest SVHC requirements as of January 17, 2022. This compliance ensures environmental safety and unrestricted use across global markets while meeting industrial specifications for temperature performance and material integrity.