S-98049A116 0.469" ID x 1" OD Oversized Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance from 17-4 PH stainless steel material, ideal for harsh industrial environments and outdoor applications.
• Exceptional mechanical strength and durability with Rockwell C40 hardness, ensuring long-term performance under heavy loads.
• Precise dimensional fit with 0.469" ID specifically designed for 7/16" screws, preventing loosening and ensuring secure fastening.
• Optimized load distribution with a 1" outer diameter and 0.170-0.190" thickness, minimizing surface pressure and material stress.
• Full regulatory compliance with RoHS 3 and REACH standards, guaranteeing safety and environmental responsibility for global projects.
• Reliable performance in extreme conditions due to the material's precipitation-hardening properties, maintaining integrity under thermal and mechanical stress.
• Interchangeable compatibility with inch-system fasteners, simplifying sourcing and assembly in North American industrial applications.

Professional Applications & Engineering Value

This 17-4 PH stainless steel flat washer is engineered to address critical challenges in demanding industrial settings, such as vibration-induced loosening, galvanic corrosion, and high-stress fatigue. The precipitation-hardened 17-4 PH material provides an optimal balance of strength and corrosion resistance, making it suitable for heavy machinery, marine equipment, and chemical processing systems. Its precise 1" OD and 0.469" ID ensure uniform load distribution, protecting sensitive components from damage while the Rockwell C40 hardness guarantees minimal deformation under torque. By integrating this inch-system flat washer into your assembly, you enhance reliability in 7/16" screw applications, reduce maintenance cycles, and extend the service life of connected structures.

Specification Summary & Compliance

This flat washer conforms to standard inch-system dimensional tolerances, featuring an inner diameter of 0.469" for 7/16" screw size, outer diameter of 1", and thickness range of 0.170-0.190". Manufactured from 17-4 PH stainless steel with a hardness of Rockwell C40, it meets industry requirements for mechanical performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring adherence to environmental and safety standards for hazardous substances.