S-98019A529 1.062" ID x 2" OD MS15795-826; NASM15795; ASME B18.21.1 Mil. Spec. Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance with Passivated 18-8 Stainless Steel construction, ensuring long-term reliability in harsh environments.
• Enhanced load distribution from the 2" OD and 0.108-0.160" thickness range, reducing surface stress and preventing fastener loosening.
• Precise fit for 1" screws with a 1.062" ID, enabling secure assembly and minimizing misalignment in industrial equipment.
• High mechanical strength backed by Rockwell B70 hardness, providing consistent performance under heavy-duty operating conditions.
• Guaranteed dimensional accuracy through compliance with MS15795-826, NASM15795, and ASME B18.21.1 standards, ensuring interchangeability and ease of sourcing.
• Environmental and safety compliance with RoHS 3 and REACH regulations, making them suitable for global supply chains and sensitive applications.
• Durable surface finish from passivation, which improves corrosion resistance without compromising the material's inherent properties.

Professional Applications & Engineering Value

This flat washer is engineered to address common challenges in industrial settings, such as corrosion-induced failure and uneven load distribution. Made from Passivated 18-8 Stainless Steel, it offers exceptional resistance to moisture, chemicals, and oxidation, extending service life in demanding environments like marine, chemical processing, and outdoor machinery. The precise inch dimensions (1.062" ID x 2" OD) and controlled thickness ensure optimal clamping force and vibration resistance, critical for maintaining bolted joint integrity in heavy equipment, structural assemblies, and automotive systems. By adhering to MS15795-826, NASM15795, and ASME B18.21.1 standards, it provides reliable performance and simplifies procurement for engineers and maintenance teams seeking durable, specification-compliant components.

Specification Summary & Compliance

This washer meets precise dimensional tolerances as per ASME B18.21.1 and military standards MS15795-826 and NASM15795, ensuring consistent fit and function. It is manufactured from 18-8 Stainless Steel with a passivated surface treatment for enhanced corrosion protection. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations is confirmed, supporting use in environmentally conscious and regulated industries.