S-90437A230 1.062" ID x 2" OD Adhesive-Back Washers

Key Features & Benefits at a Glance

• Exceptional corrosion resistance from 316 stainless steel construction, ideal for harsh industrial and marine environments where rust prevention is critical.
• Secure component bonding with a 0.039" thick acrylic adhesive layer, preventing loosening under vibration and simplifying assembly.
• Reliable dimensional fit with a precise 1.062" ID and 2" OD, ensuring compatibility with 1" screws and stable load distribution.
• Enhanced durability and surface protection due to a Rockwell B70 hardness, resisting deformation and protecting mating surfaces.
• Stable performance in varied temperatures, operating effectively from 50°F to 200°F for consistent application in diverse climates.
• Full regulatory compliance with RoHS 3 and REACH standards, ensuring safety and environmental responsibility for global supply chains.
• SAE standard design guarantees interchangeability and reliability in inch-system mechanical assemblies.

Professional Applications & Engineering Value

This 316 stainless steel SAE flat washer is engineered to solve critical challenges in demanding industrial settings. Its superior corrosion resistance makes it indispensable in chemical processing, marine, and outdoor applications where exposure to moisture and corrosive agents is a constant threat. The integrated acrylic adhesive provides a robust solution for vibration-induced loosening, a common failure point in machinery and structural assemblies, thereby reducing maintenance needs and enhancing operational safety. The SAE flat washer design ensures precise fit and optimal load distribution, preventing surface damage and bolt embedment. Combined with a high temperature range and consistent Rockwell B70 hardness, this washer delivers long-term reliability and performance in industrial washers applications, from heavy equipment to precision instruments.

Specification Summary & Compliance

This washer adheres to SAE standards for inch-system flat washers, with an Inside Diameter (ID) of 1.062", Outside Diameter (OD) of 2", and a Thickness of 0.118", designed for a 1" screw size. The material is 316 Stainless Steel with a hardness of Rockwell B70 and includes a 0.039" thick acrylic adhesive. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets the latest environmental and safety standards for industrial components.