S-90483A177 5.3 mm ID x 9 mm OD DIN 433 General Purpose Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc yellow-chromate plating, extending service life in harsh environments
• Precise dimensional fit with 5.3mm ID and 9mm OD ensuring reliable performance with M5 screws
• Enhanced load distribution from 0.9-1.1mm thickness, reducing surface pressure and preventing material damage
• Exceptional mechanical strength with Rockwell C38 hardness, maintaining integrity under high stress
• Guaranteed interchangeability through strict DIN 433 standard compliance for consistent quality
• Environmental responsibility with full RoHS 3 and REACH compliance, meeting global regulatory requirements
• Optimized for industrial use with metric sizing and durable steel construction for heavy-duty applications

Professional Applications & Engineering Value

This M5 flat washer delivers critical engineering solutions where vibration resistance and corrosion protection are paramount. Manufactured from zinc yellow-chromate plated steel, it effectively prevents galvanic corrosion and withstands exposure to moisture, oils, and industrial chemicals. The precise 5.3mm inner diameter and 9mm outer diameter ensure perfect alignment with M5 fasteners, eliminating loosening in dynamic assemblies. Its DIN 433 compliance guarantees dimensional accuracy for seamless integration in automotive, machinery, and electrical enclosures. By distributing clamp load evenly, it prevents joint failure and surface damage, making it ideal for high-stress industrial applications requiring long-term reliability.

Specification Summary & Compliance

This flat washer features metric dimensions with 5.3mm ID, 9mm OD, and 0.9-1.1mm thickness, manufactured to DIN 433 standards for precise thread compatibility. Material specifications include zinc yellow-chromate plated steel with Rockwell C38 hardness ensuring mechanical durability. The product fully complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming environmental safety and regulatory adherence for global industrial use.