S-93852A126 2" ID x 4.25" OD ASME B18.21.1 USS Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction for extended service life in harsh environments
• Heavy-duty load distribution with a large 4.25" outer diameter to protect surfaces and prevent fastener embedment
• Precise compatibility with 1 7/8" screw sizes, ensuring secure fit and optimal performance in demanding assemblies
• Reliable dimensional stability with USS flat washer design for consistent performance under varying pressure conditions
• Compliance with industry standards including ASME B18.21.1, guaranteeing manufacturing quality and interchangeability
• Environmental regulation adherence with RoHS 3 and REACH compliance for safe use in regulated industries
• Durable mechanical properties with thickness ranging from 0.153" to 0.213" for robust performance in heavy-duty applications

Professional Applications & Engineering Value

This 316 stainless steel USS flat washer delivers exceptional corrosion resistance in demanding environments where exposure to chemicals, moisture, or saltwater is common. The heavy-duty design with 2" ID and 4.25" OD provides superior load distribution, preventing surface damage and maintaining structural integrity in industrial applications such as marine equipment, chemical processing plants, and offshore structures. Manufactured to ASME B18.21.1 standards, these washers ensure precise dimensional accuracy and reliable performance in high-stress assemblies. The combination of inch system measurements and 316 stainless steel material makes them ideal for applications requiring both corrosion protection and mechanical strength, solving critical engineering challenges in harsh operating conditions.

Specification Summary & Compliance

This USS flat washer features a 2" inner diameter and 4.25" outer diameter with thickness ranging from 0.153" to 0.213", designed specifically for 1 7/8" screw sizes. The product strictly conforms to ASME B18.21.1 dimensional and manufacturing specifications, ensuring interchangeability and reliable performance. Compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations confirms environmental safety and restricted substance adherence, making it suitable for regulated industries and international projects requiring certified components.