S-96659A139 0.656" ID x 1.312" OD ASME B18.21.1 SAE Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance from Black-Oxide 18-8 Stainless Steel, ideal for harsh environments and extending service life.
• Enhanced load distribution with precise 0.656" ID and 1.312" OD, reducing surface pressure and preventing material damage.
• Reliable dimensional stability with a thickness range of 0.074-0.121", ensuring consistent performance under varying loads.
• Industry-standard compliance with ASME B18.21.1, guaranteeing interchangeability and fit for 5/8" screw applications.
• Environmental and safety assurance through full RoHS 3 and REACH compliance, meeting strict regulatory requirements.
• Durable construction using 18-8 Stainless Steel, providing excellent strength and longevity in demanding mechanical assemblies.
• Broad industrial compatibility with inch system fasteners, simplifying sourcing and integration into existing setups.

Professional Applications & Engineering Value

This 5/8" SAE flat washer is engineered to address common industrial challenges such as galvanic corrosion, fastener loosening, and uneven stress distribution. Crafted from Black-Oxide 18-8 Stainless Steel, it offers exceptional resistance to rust and chemical exposure, making it suitable for applications in marine, automotive, and construction sectors. The precise flat washer design ensures a secure fit, minimizing vibration-induced failures and maintaining assembly integrity. By adhering to ASME B18.21.1 standards, it provides reliable performance in heavy-duty environments, reducing maintenance costs and downtime. Its compliance with environmental regulations like RoHS and REACH further supports sustainable manufacturing practices, offering peace of mind for engineers and procurement specialists.

Specification Summary & Compliance

This washer features an ID of 0.656", OD of 1.312", and thickness range of 0.074-0.121", designed for 5/8" screw sizes in the inch system. It conforms to ASME B18.21.1 specifications for dimensional accuracy and performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), ensuring it meets current environmental and safety standards for industrial use.