S-98690A112 5.3 mm ID x 9 mm OD DIN 433; ISO 7092 General Purpose Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance in harsh environments due to 316 stainless steel construction, ideal for marine, chemical, and outdoor applications.
• Enhanced load distribution and surface protection for M5 screws, minimizing material stress and preventing loosening under vibration.
• Consistent dimensional accuracy with a 5.3mm ID and 9mm OD, ensuring a perfect fit and reliable performance in metric assemblies.
• Excellent mechanical durability provided by a Rockwell B76 hardness, resisting deformation and maintaining integrity under pressure.
• Guaranteed compliance with international standards including DIN 433 and ISO 7092, ensuring interchangeability and quality in global engineering projects.
• Strict adherence to environmental regulations with RoHS 3 and REACH compliance, making them safe for restricted substances and sustainable manufacturing.
• Reliable thickness control between 0.9-1.1 mm, offering uniform spacing and secure fastening in precision applications.

Professional Applications & Engineering Value

This M5 flat washer is engineered to address common industrial challenges such as galvanic corrosion, fastener fatigue, and assembly failure. Crafted from 316 stainless steel, it provides exceptional resistance to chlorides and acidic conditions, making it a top choice for marine equipment, chemical processing plants, and food machinery. The precise metric dimensions and adherence to DIN 433 and ISO 7092 standards ensure seamless integration with M5 screws, reducing installation errors and enhancing structural stability. Its flat design evenly distributes clamping force, preventing surface damage and extending the lifespan of connected components in high-vibration environments like automotive and aerospace systems.

Specification Summary & Compliance

This washer features an Inner Diameter (ID) of 5.3 mm, Outer Diameter (OD) of 9 mm, and Thickness of 0.9-1.1 mm, designed for M5 screw size with standard metric tolerances. It conforms to DIN 433 and ISO 7092 specifications for dimensional consistency and performance. The product is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting stringent environmental and safety regulations for industrial use.