S-94709A149 0.188" ID x 0.375" OD Bonded Sealing Washers

Key Features & Benefits at a Glance

• Superior Sealing Performance: Neoprene rubber seal (Durometer 65A) bonded to 18-8 stainless steel provides reliable, leak-proof sealing in demanding applications.
• Exceptional Temperature Resistance: Withstands extreme conditions from -40°F to 250°F, ensuring consistent performance in harsh environments.
• Enhanced Corrosion Protection: 18-8 stainless steel construction offers excellent resistance to rust and corrosion, extending service life.
• Precision Fit for No. 8 Screws: 0.188" ID ensures secure, vibration-resistant fastening with standard No. 8 screw sizes.
• Durable Metal-Rubber Bond: Permanent bonding between stainless steel and neoprene prevents separation under stress, maintaining seal integrity.
• Wide Industrial Compatibility: Ideal for applications requiring both mechanical fastening and environmental sealing in machinery, automotive, and outdoor equipment.
• Cost-Effective Maintenance Reduction: Combines sealing and washer functions in one component, reducing assembly time and potential failure points.

Professional Applications & Engineering Value

This metal bonded washer with 18-8 stainless steel and neoprene seal addresses critical engineering challenges in industrial settings where both mechanical stability and environmental protection are essential. The black neoprene rubber (Durometer 65A) provides a flexible, compression-resistant seal that prevents moisture, dust, and chemical ingress, while the stainless steel base offers structural support and corrosion resistance. Commonly used in No. 8 screw applications, it excels in equipment exposed to temperature fluctuations from -40°F to 250°F, such as outdoor enclosures, automotive assemblies, and HVAC systems. By integrating sealing and spacing functions, it simplifies assembly, reduces part counts, and enhances reliability in heavy-duty washers for machinery, marine, and construction industries, ensuring long-term performance without frequent maintenance.

Specification Summary & Compliance

This washer features precise dimensions: ID 0.188", OD 0.375", and thickness 0.096-0.115", designed for compatibility with No. 8 screw sizes in inch measurement systems. Constructed from 18-8 stainless steel with a bonded neoprene rubber seal (Durometer 65A), it adheres to industry standards for bonded sealing components. The product is engineered to meet general industrial requirements for temperature resilience and corrosion resistance, with compliance aligned to material safety guidelines such as RoHS and REACH, ensuring suitability for various technical and environmental applications.