S-90474A182 0.34" ID x 0.625" OD ASME B18.21.1 ASME Washers
ASME 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 through nickel-plated brass construction, extending service life in demanding environments
- Precise dimensional fit with 0.34" ID specifically engineered for 5/16" screw applications
- Optimal load distribution with 0.625" OD design to prevent surface damage and embedment
- Consistent performance maintained through controlled thickness range (0.052-0.072") for uniform clamping force
- Industry-standard compliance with ASME B18.21.1 specifications ensuring reliable mechanical performance
- Environmental regulation compliance meeting both RoHS 3 and REACH standards for global market acceptance
- Durable brass core providing excellent electrical conductivity and non-magnetic properties
Professional Applications & Engineering Value
This nickel-plated brass flat washer delivers critical engineering solutions where corrosion resistance and electrical conductivity are paramount. The brass core material with nickel plating creates a robust barrier against oxidation and galvanic corrosion, making it ideal for electrical assemblies, marine components, and chemical processing equipment. The precise 0.34" inner diameter ensures perfect alignment with 5/16" screws, preventing installation issues and maintaining proper fastener tension. Engineered to ASME B18.21.1 standards, this flat washer provides reliable load distribution across mating surfaces, reducing stress concentrations and preventing joint failure in industrial applications requiring inch-system components.
Specification Summary & Compliance
This precision flat washer features dimensional specifications of 0.34" ID, 0.625" OD, and thickness range of 0.052-0.072" manufactured to ASME B18.21.1 standards for inch-system washers. The component maintains full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and market accessibility. The nickel-plated brass construction provides consistent performance in various industrial environments while meeting established mechanical specifications for reliable integration with 5/16" fasteners.
