S-95611A403 0.406" ID x 0.734" OD Plastic Washers

Key Features & Benefits at a Glance

• Superior chemical resistance from PVC plastic construction prevents corrosion in harsh industrial environments
• Precise dimensional fit with 0.406" ID and 0.734" OD ensures perfect alignment with 3/8" fasteners
• Excellent load distribution across wider surface area reduces point stress and material deformation
• Consistent performance maintained through Rockwell R115 hardness rating for reliable mechanical properties
• Thermal stability up to 140°F (60°C) suitable for various industrial temperature conditions
• Regulatory compliance assurance with REACH standards for workplace safety and environmental protection
• Uniform thickness control (0.056-0.071") provides consistent sealing and spacing performance

Professional Applications & Engineering Value

These PVC plastic flat washers deliver exceptional value in applications requiring chemical resistance and electrical insulation. The gray PVC material offers excellent durability against moisture, acids, and alkalis, making them ideal for chemical processing, water treatment, and electrical enclosures. Their precise inch dimensions (0.406" ID x 0.734" OD) ensure proper fit with 3/8" screw sizes, preventing loosening and maintaining secure fastening in vibrating environments. The combination of Rockwell R115 hardness and controlled thickness provides reliable performance as spacing elements, vibration dampeners, and surface protectors across multiple industrial applications.

Specification Summary & Compliance

This flat washer features inch system dimensions with 0.406" inner diameter, 0.734" outer diameter, and thickness range of 0.056-0.071". Manufactured from PVC plastic with Rockwell R115 hardness and maximum temperature rating of 140°F. The product maintains compliance with REACH (EC 1907/2006) regulations (updated 06/14/2023, 235 SVHC) for environmental and safety standards. Designed specifically for use with 3/8" screw sizes in industrial fastening applications.