S-92303A109 0.688" ID x 2.5" OD Oversized Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments and outdoor applications.
• Exceptional load distribution due to the 2.5" outer diameter, minimizing surface pressure and preventing material damage.
• Precise fit for 5/8" screws with a 0.688" inner diameter, ensuring secure fastening and reducing installation errors.
• Enhanced durability from Rockwell B83 hardness, providing long-lasting performance under high-stress conditions.
• Reliable thickness tolerance (0.110-0.140") for consistent performance and ease of assembly in repetitive applications.
• Compliance with global standards including RoHS 3 and REACH, making it suitable for regulated industries and international supply chains.
• Versatile inch system compatibility for seamless integration with existing machinery and North American equipment specifications.

Professional Applications & Engineering Value

This 18-8 stainless steel flat washer is engineered to address common industrial challenges such as fastener loosening, surface abrasion, and corrosion-induced failure. Its robust Rockwell B83 hardness ensures it maintains integrity under vibrational loads and heavy clamping forces, making it ideal for construction equipment, machinery assembly, and marine applications. The precise 0.688" ID and 2.5" OD provide optimal load dispersion, protecting sensitive components from stress concentrations. Manufactured from corrosion-resistant stainless steel, it eliminates the need for frequent replacements in humid or chemical-exposed settings, reducing downtime and maintenance costs. This washer is a reliable solution for engineers seeking longevity and compliance in demanding industrial washers applications.

Specification Summary & Compliance

This flat washer adheres to inch system measurements with an inner diameter of 0.688", outer diameter of 2.5", and thickness range of 0.110-0.140". It is designed for use with 5/8" screw sizes and manufactured from 18-8 stainless steel with a hardness of Rockwell B83. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets stringent environmental and safety standards for industrial and export use.