S-98189A160 0.219" ID x 0.5" OD ASME B18.21.1 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 A286 stainless steel material, ideal for harsh industrial environments
- Exceptional durability with Rockwell C22 hardness for long-lasting performance under heavy loads
- Precise dimensional accuracy with 0.219" ID and 0.5" OD ensuring perfect fit for No. 10 screws
- Reliable load distribution through controlled 0.036-0.065" thickness range
- Industry-standard compliance with ASME B18.21.1 specifications for guaranteed quality
- Environmental safety assurance with RoHS 3 and REACH compliance for sustainable operations
- Optimized for inch system applications providing seamless integration with existing equipment
Professional Applications & Engineering Value
These A286 stainless steel flat washers deliver exceptional engineering value in demanding applications where corrosion resistance and high-strength performance are critical. The premium A286 material composition provides outstanding protection against chemical exposure and extreme temperatures, making these washers ideal for aerospace, chemical processing, and marine applications. The precise 0.219" ID and 0.5" OD dimensions ensure perfect alignment with No. 10 screws, preventing loosening and maintaining joint integrity under vibration and dynamic loads. With Rockwell C22 hardness, these washers maintain their structural integrity while distributing loads evenly, solving common issues of surface damage and fastener failure in high-stress environments.
Specification Summary & Compliance
This flat washer features precise inch system dimensions with 0.219" inner diameter and 0.5" outer diameter, manufactured to exacting ASME B18.21.1 standards. The thickness range of 0.036-0.065" ensures consistent performance across production batches. The product fully complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, meeting the latest substance restriction requirements as of June 14, 2023, including compliance with 235 SVHC substances.
