S-98019A530 1.062" ID x 2.5" OD MS15795-827; NASM15795; ASME B18.21.1 Mil. Spec. Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance with passivated 18-8 stainless steel construction, ideal for harsh industrial environments and extended service life.
• Exceptional load distribution due to the 2.5" outer diameter, minimizing surface pressure and preventing material damage under high stress.
• Precise fit for 1" screws with a 1.062" inner diameter, ensuring secure fastening and reducing the risk of loosening or misalignment.
• Enhanced durability and deformation resistance from a Rockwell B70 hardness rating, maintaining performance under repetitive loads.
• Guaranteed dimensional consistency and reliability by conforming to MS15795-827, NASM15795, and ASME B18.21.1 standards.
• Safe for sensitive applications with full compliance to RoHS 3 and REACH regulations, ensuring no hazardous substances are present.
• Optimized thickness range (0.136-0.192") provides flexibility for various gasket and spacing needs while maintaining structural integrity.

Professional Applications & Engineering Value

This flat washer is engineered to address critical challenges in industrial and mechanical assemblies where corrosion resistance and precise load management are paramount. The passivated 18-8 stainless steel material effectively combats rust and chemical degradation, making it suitable for outdoor, marine, and chemical processing equipment. Its specific dimensions—1.062" ID and 2.5" OD—ensure a perfect match for 1" screw applications, distributing clamp load evenly to prevent joint failure and surface indentation. By adhering to MS15795-827, NASM15795, and ASME B18.21.1 standards, it delivers consistent performance in aerospace, automotive, and heavy machinery, reducing maintenance needs and enhancing operational safety. The Rockwell B70 hardness further supports long-term reliability in high-vibration environments, providing engineers with a trusted component for demanding industrial washers requirements.

Specification Summary & Compliance

This washer meets precise dimensional tolerances as per ASME B18.21.1 and is manufactured in accordance with MS15795-827 and NASM15795 specifications. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and suitability for global industrial supply chains.