S-91950A051 0.938" ID x 1.75" OD ASME B18.21.1 SAE Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance in harsh environments thanks to 316 stainless steel construction, ideal for marine, chemical, and outdoor applications
• Enhanced load distribution with a large 1.75" OD and 0.938" ID, preventing surface damage and loosening under 7/8" screw loads
• Durable mechanical performance from a thickness range of 0.108-0.160", providing reliable spacing and vibration resistance
• Guaranteed dimensional consistency through compliance with the ASME B18.21.1 standard, ensuring fit and function
• Safe for regulated industries with full RoHS 3 and REACH compliance, meeting strict environmental and health standards
• Broad industrial compatibility as an SAE flat washer in the inch system, suitable for various machinery and equipment

Professional Applications & Engineering Value

Engineered for demanding industrial settings, these 316 stainless steel SAE flat washers address critical challenges like corrosion-induced failure and joint instability. The high-grade 316 material offers exceptional resistance to chlorides and acids, making these flat washers perfect for marine hardware, chemical processing plants, and food equipment. With a 7/8" screw size compatibility and robust ASME B18.21.1 design, they ensure uniform clamping force, reduce wear on surfaces, and maintain bolt tension in heavy-duty applications. This reliability minimizes maintenance downtime and extends the lifespan of assembled components in corrosive or high-stress environments.

Specification Summary & Compliance

This washer meets ASME B18.21.1 specifications for dimensional accuracy, with an inner diameter of 0.938", outer diameter of 1.75", and thickness ranging from 0.108" to 0.160". It conforms to RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free of hazardous substances and safe for industrial use.