S-90313A117 0.531" ID x 1.5" 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.
• Precise dimensional fit with 0.531" inner diameter and 1.5" outer diameter, ensuring reliable load distribution and secure fastening for 1/2" screws.
• Enhanced durability and longevity due to the material's inherent strength, reducing replacement frequency and maintenance costs.
• Broad industrial compliance with RoHS 3 and REACH regulations, ensuring safe use in global markets and sensitive applications.
• Excellent surface protection for mating components, minimizing wear and galling under repeated assembly and disassembly.
• Versatile inch system compatibility, making it easy to integrate into existing machinery and equipment without modifications.

Professional Applications & Engineering Value

This flat washer made from 18-8 stainless steel addresses common industrial challenges such as corrosion-induced failure and inconsistent load bearing. Its robust material grade provides reliable performance in demanding settings like chemical processing, marine equipment, and food machinery, where moisture and corrosive agents are prevalent. The precise 0.531" ID and 1.5" OD ensure a snug fit for 1/2" screw size applications, preventing loosening under vibration and distributing pressure evenly to protect surfaces. By incorporating this corrosion-resistant washer, engineers can enhance assembly integrity, reduce downtime, and meet stringent regulatory requirements for industrial fastening solutions.

Specification Summary & Compliance

This flat washer adheres to inch system measurements with an inner diameter of 0.531", outer diameter of 1.5", and thickness range of 0.055-0.069", designed for use with 1/2" screws. It conforms to industry standards for dimensional accuracy and is manufactured from 18-8 stainless steel. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and suitability for various industrial applications.