S-93783A035 0.615" ID x 1.193" OD High-Pressure Bonded Sealing Washers For Screw Heads

Key Features & Benefits at a Glance

• Exceptional sealing performance with Buna-N rubber bonded to zinc-plated steel, preventing fluid and gas leaks in demanding applications
• Superior corrosion resistance due to zinc-plated steel construction, extending service life in harsh industrial environments
• Wide temperature tolerance from -40°F to 225°F, maintaining seal integrity and performance across extreme thermal conditions
• High-pressure capability handling up to 7500 psi for fluids and 200 psi for gases, ideal for hydraulic and pneumatic systems
• Optimized dimensional fit with 0.615" ID precisely matching 5/8" screws, ensuring secure fastening and proper seal compression
• Durable material combination featuring Rockwell B71 steel hardness and Durometer 55A rubber, providing excellent mechanical strength and flexibility
• Regulatory compliance assurance meeting RoHS 3 and REACH standards, guaranteeing environmental and safety requirements for industrial use

Professional Applications & Engineering Value

This metal bonded washer combines the structural integrity of zinc-plated steel with the sealing reliability of Buna-N rubber to solve critical industrial challenges. The bonded design eliminates separate gasket components, preventing misalignment and installation errors in high-vibration environments. Engineered for 5/8" screw applications, it creates reliable seals in hydraulic systems, pneumatic equipment, and industrial machinery where fluid containment is paramount. The black Buna-N seal maintains flexibility across extreme temperature swings from -40°F to 225°F, while the steel washer distributes load evenly to prevent fastener loosening. This industrial washer solution addresses common failure points in high-pressure applications by providing both mechanical support and environmental sealing in a single, easy-to-install component.

Specification Summary & Compliance

Precision-engineered with 0.615" inner diameter and 1.193" outer diameter with thickness tolerance of 0.045-0.055". Manufactured to exacting standards with Rockwell B71 hardness steel and Durometer 55A Buna-N rubber seal. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory adherence for industrial distribution and use.