S-90736A160 0.315" ID x 0.685" OD High-Pressure Bonded Sealing Washers For Screw Heads and Nuts

Key Features & Benefits at a Glance

• Superior Sealing Integrity: PVC plastic sealant bonded to 304 stainless steel creates a reliable, durable barrier against fluid and gas leaks, rated for pressures up to 8500 PSI.
• Exceptional Temperature Resilience: Maintains performance across a wide range from -60°F to 270°F, ideal for environments with thermal cycling.
• Corrosion-Resistant Construction: 304 stainless steel material ensures long-term durability and resistance to rust in harsh industrial settings.
• Precision Fit for 5/16" Screws: 0.315" ID and 0.685" OD provide accurate alignment and secure fastening, reducing installation errors.
• Enhanced Mechanical Strength: Rockwell B75 hardness offers excellent resistance to deformation under high loads, extending service life.
• Compliant with Environmental Standards: RoHS 3 (2015/863/EU) compliant, ensuring safe use in regulated industries without hazardous substances.
• Versatile for Multiple Media: Effective for both fluid and gas applications up to 8500 PSI, simplifying inventory for diverse sealing needs.

Professional Applications & Engineering Value

This metal bonded washer with a PVC plastic sealant is engineered to address critical challenges in industrial sealing, such as preventing leaks in high-pressure systems. The combination of 304 stainless steel for structural integrity and the black PVC seal for flexibility ensures a tight seal that withstands extreme conditions, from sub-zero temperatures to elevated heat. Ideal for applications in hydraulic systems, pneumatic equipment, and chemical processing, it reduces maintenance downtime and enhances operational safety. By providing consistent performance in fluid and gas sealing up to 8500 PSI, this washer supports reliability in demanding environments, making it a trusted component for engineers focused on longevity and compliance.

Specification Summary & Compliance

This washer features precise dimensions with an ID of 0.315", OD of 0.685", and thickness between 0.072-0.082", designed for 5/16" screw sizes. It adheres to standard inch measurements and is manufactured with Rockwell B75 hardness for consistent quality. Compliance includes RoHS 3 (2015/863/EU), ensuring it meets environmental regulations for restricted substances, and it is suitable for use in various industrial standards without additional certifications.