ASTM F3394/F3394M
Standard Specification for Hardened Steel Backup and Reaction Washers Inch and Metric Dimensions
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About This Item
ASTM F3394/F3394M is the ASTM standard for hardened steel backup and reaction washers in inch and metric dimensions. It provides a clear technical reference for these washers, helping buyers and engineers identify a consistent specification for dimensional and material-related expectations. As a product-page standard, it supports more reliable selection, comparison, and compliance decisions when hardened steel washers are needed for demanding fastening applications.
Purpose of ASTM F3394/F3394M
The purpose of ASTM F3394/F3394M is to define a standardized specification for hardened steel backup and reaction washers in both inch and metric formats. By doing so, it helps establish a common basis for product requirements, dimensional consistency, and quality expectations. This is useful when comparing suppliers or verifying that washers are suitable for applications where load support and reaction surfaces matter. The standard title indicates a focus on the washer product itself and on maintaining uniform technical requirements.
Common use cases of ASTM F3394/F3394M
This standard is commonly used when specifying or procuring hardened steel backup and reaction washers that must match defined inch or metric dimensions. It is relevant in fastening assemblies where washers are used to distribute load or provide a reaction surface under a bolt or similar fastener. ASTM F3394/F3394M may also support engineering drawings, purchasing documents, and inspection workflows where exact washer identification and dimensional conformity are important.
Why ASTM F3394/F3394M matters
ASTM F3394/F3394M matters because it helps reduce uncertainty in purchasing and quality control for a specialized washer product. A clear ASTM specification can improve consistency across suppliers, support compliance reviews, and make product evaluation more straightforward. For teams working with hardened steel backup and reaction washers, using the standard helps align expectations for dimensions and general product characteristics, which can lower the risk of fit or performance issues in assembly.
- Hardened steel washer specification
- Backup and reaction washer applications
- Inch and metric dimensions
- Supplier and procurement reference
- Quality and compliance support
- Publication Date: 2023-11-30
- Publisher: ASTM
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