S-91635A230 5.3 mm ID x 10 mm OD DIN 125; ISO 7089 General Purpose Washers

Key Features & Benefits at a Glance

• Corrosion-resistant brass construction ensures long-term reliability in humid or chemically aggressive environments, reducing maintenance costs and equipment downtime.
• Precise 5.3mm inner diameter guarantees a secure fit on M5 screws, preventing loosening and maintaining assembly integrity under vibration.
• DIN 125 and ISO 7089 compliance delivers consistent dimensional accuracy and interchangeability, streamlining procurement and assembly processes.
• RoHS 3 (2015/863/EU) compliance supports environmental regulations and safe use in sensitive applications like electronics and consumer goods.
• 10mm outer diameter with 0.9-1.1mm thickness provides optimal load distribution, protecting surfaces from damage and extending component life.
• Non-magnetic and electrically conductive properties make it ideal for electrical and electronic assemblies where interference must be minimized.
• Lightweight yet durable design offers easy handling and installation without compromising on mechanical strength in industrial settings.

Professional Applications & Engineering Value

This M5 metric brass flat washer is engineered to address common industrial challenges such as galvanic corrosion, electrical conductivity requirements, and precise fastening needs. Made from high-quality brass material, it naturally resists rust and tarnish, making it perfect for electrical applications, marine equipment, and plumbing systems where moisture exposure is frequent. The flat washer design conforms to DIN 125 and ISO 7089 standards, ensuring uniform thickness and diameter for reliable performance in automated assembly lines. By distributing load evenly and preventing screw embedment, it reduces surface damage on soft materials, enhances joint stability, and supports corrosion-resistant applications in HVAC, automotive, and electronics industries, ultimately lowering lifecycle costs and improving safety.

Specification Summary & Compliance

This washer features an inner diameter of 5.3 mm, outer diameter of 10 mm, and thickness of 0.9-1.1 mm, designed for M5 screw sizes with standard metric dimensions. It complies with DIN 125 and ISO 7089 specifications for dimensional tolerances and quality, ensuring precise fit and performance. Additionally, it is RoHS 3 (2015/863/EU) compliant, meeting environmental and safety standards for restricted hazardous substances, and is suitable for various industrial and electrical uses without magnetic interference.