S-98026A126 2.375" ID x 4.75" OD General Purpose Washers

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with zinc yellow-chromate plating, extending service life in harsh industrial environments
• Superior load distribution due to large 4.75" OD, minimizing surface damage and preventing fastener loosening
• High-strength performance with Grade 8 classification and Rockwell C38 hardness for demanding applications
• Precise dimensional fit with 2.375" ID designed specifically for 2 1/4" screw sizes
• Enhanced durability through robust 0.193-0.248" thickness, resisting deformation under heavy loads
• Compliance assurance with REACH regulations, ensuring safe use in industrial settings
• Universal compatibility with USS standard and inch measurement system for broad equipment integration

Professional Applications & Engineering Value

This Grade 8 USS flat washer delivers critical engineering solutions for heavy machinery, structural steel connections, and industrial equipment assemblies. The zinc yellow-chromate plated steel construction provides superior corrosion protection in demanding environments like manufacturing plants, construction sites, and outdoor installations. With its substantial 4.75" OD, it effectively distributes clamping forces over wider surface areas, preventing joint failure and material crushing. The precise 2.375" ID ensures perfect alignment with 2 1/4" screw sizes, maintaining structural integrity in high-vibration applications. Engineers specify this washer for critical connections where Rockwell C38 hardness and Grade 8 strength are essential for maintaining bolt preload and preventing catastrophic failures in heavy-load scenarios.

Specification Summary & Compliance

Manufactured to USS standards with inch system measurements: 2.375" ID, 4.75" OD, and 0.193-0.248" thickness range. Meets Grade 8 strength classification requirements with Rockwell C38 hardness specification. Compliant with REACH (EC 1907/2006) regulations as of 06/14/2023, containing no SVHC above threshold limits. Designed for use with 2 1/4" screw sizes in industrial fastening applications requiring high-strength performance and corrosion resistance.