S-98970A138 1.062" ID x 2.5" OD ASME B18.21.1 USS Washers

Key Features & Benefits at a Glance

• Exceptional corrosion resistance through hot-dipped galvanized steel construction, ideal for outdoor and harsh environment applications
• Optimal load distribution with 2.5" outer diameter, preventing surface damage and maintaining joint integrity
• Precise 1" screw compatibility with 1.062" inner diameter, ensuring secure fastening and reduced installation time
• Heavy-duty mechanical strength from robust steel material, suitable for high-stress industrial and construction applications
• Standardized dimensional accuracy per ASME B18.21.1, guaranteeing consistent performance and interchangeability
• Enhanced environmental compliance with RoHS 3 regulations, meeting global safety and sustainability requirements
• Reliable thickness range (0.136-0.192") providing consistent spacing and vibration resistance in assembled structures

Professional Applications & Engineering Value

This USS flat washer delivers critical engineering solutions where corrosion resistance and structural reliability are paramount. The hot-dipped galvanized steel construction creates a protective zinc barrier that withstands moisture, chemicals, and weathering—significantly extending service life in construction, marine, and industrial equipment applications. With its 1.062" ID precisely matching 1" screw requirements and 2.5" OD distributing clamp load effectively, it prevents joint loosening and surface indentation. Manufactured to ASME B18.21.1 standards, this flat washer ensures dimensional consistency across maintenance projects and new assemblies, reducing downtime and replacement costs.

Specification Summary & Compliance

This USS flat washer features inch system dimensions with 1.062" inner diameter, 2.5" outer diameter, and thickness ranging 0.136-0.192". Manufactured from hot-dipped galvanized steel for 1" screw applications, it conforms to ASME B18.21.1 dimensional specifications. The product is fully RoHS 3 (2015/863/EU) Compliant, ensuring adherence to hazardous substance restrictions for international industrial use.