S-98691A115 5.3 mm ID x 9 mm OD DIN 433; ISO 7092 General Purpose Washers
General Purpose Washers
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Basic Information
Dimension Parameters
Material & Strength Parameters
Installation & Application Parameters
Finish & Compliance Parameters
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Key Features & Benefits at a Glance
- Superior corrosion resistance from brass material, ideal for humid or chemically aggressive environments
- Excellent electrical conductivity for grounding applications and electrical assemblies
- Precise dimensional accuracy with 5.3mm ID and 9mm OD ensuring perfect fit for M5 screws
- Enhanced durability with Rockwell B76 hardness providing reliable load distribution
- International standard compliance with DIN 433 and ISO 7092 for global project compatibility
- Environmental regulation adherence through RoHS 3 compliance for sustainable manufacturing
- Consistent thickness control (0.9-1.1 mm) for uniform clamping force and vibration resistance
Professional Applications & Engineering Value
These M5 brass flat washers deliver exceptional performance in demanding industrial settings where corrosion resistance and electrical conductivity are critical. The copper alloy composition prevents galvanic corrosion when paired with dissimilar metals, while the precise metric dimensions ensure secure fastening in electrical enclosures, marine equipment, and precision machinery. Engineered to DIN 433 and ISO 7092 standards, these washers maintain consistent thickness for reliable load distribution, preventing fastener loosening under vibration and thermal cycling. The Rockwell B76 hardness provides optimal balance between malleability and strength, protecting sensitive surfaces from damage during assembly.
Specification Summary & Compliance
Manufactured to exact metric system specifications with 5.3mm inner diameter and 9mm outer diameter, these flat washers maintain dimensional precision per DIN 433 and ISO 7092 standards. The Rockwell B76 hardness ensures consistent mechanical properties, while the 0.9-1.1 mm thickness provides reliable performance. Compliant with RoHS 3 (2015/863/EU) under exemption 6(c) for lead in copper alloys, meeting international environmental regulations for industrial applications requiring corrosion resistant and electrically conductive fastening solutions.
