S-98690A110 3.2 mm ID x 6 mm OD DIN 433; ISO 7092 General Purpose Washers

General Purpose Washers

1247FA00378 General Purpose Washers
1247FA00378 General Purpose Washers

Image may differ from product. See technical specification for details.

Part No.
Part No. 1247FA00378
Equivalent to mcmaster :
98690A110

Basic Information

System of Measurement Metric
Washer Type Flat
Specifications Met DIN 433; ISO 7092

Dimension Parameters

ID 3.2 mm
OD 6 mm
Thickness 0.4-0.6 mm

Material & Strength Parameters

Material 316 Stainless Steel
Hardness Rockwell B76

Installation & Application Parameters

For Screw Size M3

Finish & Compliance Parameters

RoHS RoHS 3 (2015/863/EU) Compliant
REACH REACH (EC 1907/2006) (01/17/2023, 233 SVHC) Compliant
Technical Drawings No drawings available at the moment, will be launched soon
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Key Features & Benefits at a Glance

  • Exceptional corrosion resistance in harsh environments due to 316 stainless steel construction, ideal for chemical, marine, and outdoor applications
  • Reliable load distribution and surface protection with precise 3.2mm ID and 6mm OD, minimizing stress on M3 screw assemblies
  • Consistent mechanical performance ensured by Rockwell B76 hardness, providing durability and resistance to deformation under pressure
  • Guaranteed dimensional accuracy and interchangeability through compliance with DIN 433 and ISO 7092 international standards
  • Enhanced safety and environmental responsibility with full RoHS 3 and REACH compliance, meeting stringent regulatory requirements
  • Optimal thin-profile design with 0.4-0.6mm thickness for space-constrained applications without compromising strength
  • Broad compatibility with M3 metric screw systems, facilitating easy integration into existing industrial fastening setups

Professional Applications & Engineering Value

This M3 316 stainless steel flat washer is engineered to address critical challenges in industrial settings where corrosion, vibration, and mechanical stress compromise fastener integrity. The 316 stainless steel material offers superior resistance to pitting and crevice corrosion, making it indispensable in chemical processing, marine equipment, and food-grade machinery. Its DIN 433 and ISO 7092 compliance ensures precise fit and consistent performance in metric fastener systems, reducing assembly errors and maintenance downtime. The washer’s flat design evenly distributes clamping force, preventing surface damage and loosening in high-vibration environments like automotive assemblies and electrical enclosures. By combining corrosion-resistant properties with standardized dimensions, this component delivers long-term reliability and cost savings in demanding industrial applications.

Specification Summary & Compliance

This flat washer features a 3.2mm inner diameter, 6mm outer diameter, and 0.4–0.6mm thickness, manufactured to DIN 433 and ISO 7092 standards for metric washers. It is compatible with M3 screw sizes and achieves a Rockwell B76 hardness for mechanical durability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring adherence to environmental and safety guidelines.

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