S-91195A124 0.325" ID x 0.75" OD Washdown Bonded Sealing Washers

Key Features & Benefits at a Glance

• Exceptional Temperature Resilience: Withstands extreme conditions from -100°F to 400°F, ensuring reliable performance in both cryogenic and high-heat industrial environments.
• Superior Sealing Performance: Silicone rubber seal bonded to 18-8 stainless steel provides leak-proof sealing for both fluids and gases at pressures up to 100 psi.
• Durable Corrosion-Resistant Construction: Made from 18-8 stainless steel with a Rockwell B80 hardness, offering excellent resistance to rust and wear in harsh applications.
• Precision Fit for 5/16" Screws: Features a 0.325" ID and 0.75" OD for accurate alignment and secure fastening, reducing installation errors.
• Compliant with Global Standards: Meets RoHS 3 and REACH regulations, ensuring safety and environmental responsibility for international supply chains.
• Optimized Seal Flexibility: The Durometer 50A silicone seal maintains elasticity across the temperature range, preventing brittleness or degradation.
• Versatile for Multiple Media: Effective sealing for both fluids and gases, ideal for applications in plumbing, pneumatic systems, and chemical processing.

Professional Applications & Engineering Value

This metal bonded washer combines the strength of 18-8 stainless steel with the flexibility of a silicone rubber seal to address common industrial challenges like thermal expansion, fluid leakage, and corrosion. Engineered for extreme temperature ranges from -100°F to 400°F, it prevents seal failure in environments such as refrigeration units, automotive engines, and chemical processing equipment. The bonded design ensures the seal remains intact under vibration and pressure fluctuations up to 100 psi, reducing maintenance downtime and enhancing system reliability. Ideal for B2B applications in aerospace, oil and gas, and manufacturing, where consistent pressure sealing is critical for operational safety and efficiency.

Specification Summary & Compliance

This washer features precise dimensions with an ID of 0.325" and OD of 0.75" for 5/16" screw size compatibility, ensuring accurate fit in assembly. Constructed from 18-8 stainless steel with a hardness of Rockwell B80 and a silicone seal rated at Durometer 50A, it adheres to industry standards for durability and performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety for use in various industrial sectors without hazardous substances.