S-92844A143 0.406" ID x 1.25" OD ASME B18.21.1 ASME Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance for extended service life in harsh industrial and marine environments
• Precision dimensional fit with 0.406" ID specifically designed for reliable performance with 3/8" screws
• Optimal load distribution through 1.25" OD design that minimizes surface damage and material stress
• Manufacturing consistency guaranteed by compliance with ASME B18.21.1 standards for dimensional accuracy
• Environmental compliance with RoHS 3 and REACH regulations for safe use in regulated industries
• Consistent thickness tolerance (0.090-0.112") ensuring reliable seating and uniform pressure distribution
• 316 stainless steel construction providing excellent resistance to chemicals, saltwater, and extreme temperatures

Professional Applications & Engineering Value

These 316 stainless steel flat washers deliver exceptional engineering value in demanding applications where corrosion resistance and dimensional precision are critical. The marine-grade 316 stainless steel composition provides superior protection against saltwater corrosion, chemical exposure, and extreme temperature variations, making them ideal for offshore platforms, chemical processing equipment, and coastal infrastructure. The precise 0.406" inner diameter ensures perfect compatibility with 3/8" screws, while the generous 1.25" outer diameter effectively distributes clamping force across a wider surface area. This combination prevents surface damage, reduces stress concentration, and maintains joint integrity in high-vibration environments. The ASME B18.21.1 certification guarantees consistent dimensional accuracy and manufacturing quality, providing engineers with reliable components for critical assemblies in industrial machinery, marine hardware, and chemical processing systems where failure is not an option.

Specification Summary & Compliance

These flat washers feature precision dimensions with 0.406" inner diameter, 1.25" outer diameter, and 0.090-0.112" thickness range, manufactured to ASME B18.21.1 standards for dimensional accuracy and quality assurance. The washers are designed specifically for use with 3/8" screws and are fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring they meet the latest international standards for hazardous substance restrictions and chemical safety in industrial applications.