S-90313A316 0.344" ID x 1.25" OD Oversized Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh or humid environments.
• Precise dimensional fit with 0.344" ID and 1.25" OD, ensuring reliable alignment and load distribution for 5/16" screws.
• Enhanced durability from a thickness range of 0.118-0.132", providing consistent performance under pressure.
• Broad industrial compatibility using the inch measurement system, simplifying sourcing and replacement.
• Environmental and safety compliance with RoHS 3 and REACH standards, supporting responsible manufacturing practices.
• Cost-effective maintenance due to long-lasting material properties, reducing replacement frequency and downtime.

Professional Applications & Engineering Value

This flat washer in 18-8 stainless steel is engineered to address common industrial challenges such as fastener loosening, surface damage, and corrosion-induced failures. Its precise 0.344" ID and 1.25" OD ensure optimal load spreading and vibration resistance in assemblies using 5/16" screw sizes. The corrosion-resistant properties make it suitable for demanding applications in marine, chemical processing, and outdoor equipment, where exposure to moisture and chemicals is frequent. By maintaining integrity under stress, this washer extends equipment life and enhances safety in industrial washers and machinery, supporting efficient and reliable operations.

Specification Summary & Compliance

This flat washer adheres to standard inch dimensions with an inner diameter of 0.344", outer diameter of 1.25", and thickness ranging from 0.118" to 0.132", designed for use with 5/16" screws. It conforms to industry standards for dimensional accuracy and is manufactured from 18-8 stainless steel for consistent performance. The product is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets stringent environmental and safety requirements for industrial use.