S-96659A108 0.406" ID x 0.812" OD ASME B18.21.1 SAE Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance from 18-8 stainless steel material, ideal for harsh environments and extending service life
• Precise dimensional fit with 0.406" ID and 0.812" OD ensures reliable performance with 3/8" fasteners, reducing assembly issues
• Enhanced load distribution across a wider surface area, minimizing surface damage and material stress
• Industry-standard compliance with ASME B18.21.1, guaranteeing consistent quality and interchangeability
• Environmental regulation adherence with RoHS 3 and REACH compliance, ensuring safe use in regulated industries
• Durable construction maintains integrity under various industrial conditions without significant wear
• Broad compatibility with SAE inch-system components, simplifying sourcing and inventory management

Professional Applications & Engineering Value

These 18-8 stainless steel SAE flat washers are engineered to address common industrial challenges such as corrosion-induced failure and uneven load distribution. The corrosion-resistant properties of the material make them suitable for applications in marine, chemical processing, and outdoor equipment, where exposure to moisture and chemicals is frequent. By providing a reliable bearing surface, they prevent fastener loosening and protect assembled materials from galling or indentation. Their compliance with ASME B18.21.1 ensures dimensional accuracy and performance consistency, which is critical in mechanical assemblies requiring precise torque and alignment. This combination of material durability and standardized design delivers long-term reliability, reducing maintenance costs and downtime in demanding industrial applications.

Specification Summary & Compliance

This flat washer features an Inside Diameter (ID) of 0.406", Outside Diameter (OD) of 0.812", and Thickness ranging from 0.051" to 0.080", designed for use with 3/8" screws in the inch system. It conforms to the ASME B18.21.1 standard, ensuring precise dimensional tolerances and mechanical properties. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming adherence to environmental and safety requirements for hazardous substances.