S-92140A122 0.656" ID x 1.75" OD Oversized Washers

Key Features & Benefits at a Glance

• Enhanced corrosion resistance from the black-oxide finish, extending service life in humid or demanding industrial environments.
• Optimal load distribution with a 1.75" outer diameter, helping to prevent surface damage and fastener loosening under high stress.
• Precise fit for 5/8" screws with a 0.656" inner diameter, ensuring easy installation and secure fastening in inch-system assemblies.
• Durable steel construction provides reliable strength and resistance to wear, suitable for heavy-duty applications.
• Consistent thickness (0.146-0.166") offers uniform pressure distribution and improved joint stability.
• Compliance with RoHS 3 and REACH ensures environmental safety and meets stringent international regulatory standards for industrial components.
• Broad industrial compatibility due to standard inch dimensions, making it ideal for machinery, construction, and equipment maintenance.

Professional Applications & Engineering Value

This black-oxide steel flat washer is engineered to address common industrial challenges such as corrosion, vibration-induced loosening, and surface damage. The black-oxide finish provides a protective layer that significantly reduces rust formation, making it ideal for outdoor or moisture-prone settings like construction sites and agricultural machinery. Its precise 0.656" ID and 1.75" OD ensure a snug fit on 5/8" screws, distributing clamp load evenly to prevent joint failure. By using inch-system specifications, it integrates seamlessly into existing North American industrial designs, offering reliability in automotive, structural, and heavy equipment applications where durability and compliance with RoHS 3 and REACH standards are critical for long-term performance.

Specification Summary & Compliance

This washer features standard inch dimensions with an inner diameter of 0.656", outer diameter of 1.75", and thickness ranging from 0.146" to 0.166", designed for use with 5/8" screws. Manufactured from black-oxide steel, it adheres to common industrial tolerances for flat washers. The product is RoHS 3 (2015/863/EU) compliant under exemption 6(a) for lead in steel alloys and fully REACH (EC 1907/2006) compliant as of January 17, 2023, ensuring it meets environmental and safety regulations for global supply chains.