S-93852A124 1.75" ID x 3.75" OD ASME B18.21.1 USS Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance in harsh environments due to 316 stainless steel construction, ideal for marine and chemical applications
• Enhanced load distribution with large 3.75" outer diameter, reducing surface pressure and preventing material damage
• Precise fit for 1 5/8" screws with 1.75" inner diameter, ensuring secure fastening and alignment
• Heavy-duty durability with thickness range of 0.153-0.213", providing reliable performance under high stress
• Standardized quality assurance through compliance with ASME B18.21.1, guaranteeing consistent dimensions and performance
• Environmental responsibility with full RoHS 3 and REACH compliance, meeting strict regulatory requirements
• Versatile industrial use in inch measurement systems, compatible with common USS specifications

Professional Applications & Engineering Value

These 316 stainless steel USS flat washers deliver exceptional engineering value by addressing critical industrial challenges. The marine-grade 316 stainless steel material offers outstanding resistance to pitting and crevice corrosion, making these flat washers ideal for offshore platforms, chemical processing equipment, and coastal infrastructure where saltwater exposure is a constant threat. The generous 3.75" OD provides superior load distribution, preventing surface deformation and maintaining joint integrity in heavy-duty applications. With precise 1.75" ID matching standard 1 5/8" screw sizes, these washers ensure proper alignment and secure fastening in structural assemblies, piping systems, and machinery where vibration resistance is crucial. The robust thickness range maintains performance under sustained pressure, while the ASME B18.21.1 compliance guarantees dimensional accuracy across production batches.

Specification Summary & Compliance

This USS flat washer features precise inch system dimensions with 1.75" inner diameter, 3.75" outer diameter, and thickness ranging from 0.153" to 0.213", designed specifically for 1 5/8" screw applications. Manufactured to ASME B18.21.1 standards for dimensional consistency and performance reliability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring adherence to the latest substance restriction requirements.