S-90377A134 0.094" ID x 0.312" OD Oversized Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance thanks to Black-Oxide 18-8 Stainless Steel, ideal for harsh or humid environments.
• Enhanced durability and load distribution with a hardness rating of Rockwell B68, preventing surface damage and extending assembly life.
• Precise fit for No. 2 screw sizes with a 0.094" ID and 0.312" OD, ensuring secure fastening and reducing installation errors.
• Consistent performance across varying pressures due to a thickness range of 0.050-0.080", accommodating minor surface irregularities.
• Compliance with global safety standards including RoHS 3 and REACH, ensuring safe use in regulated industrial applications.
• Reliable in inch-system assemblies, providing seamless integration with standard inch-based components.
• Long-term cost efficiency by minimizing replacement needs through robust material and finish.

Professional Applications & Engineering Value

This flat washer is engineered to address common industrial challenges such as galvanic corrosion, vibration loosening, and material fatigue. The Black-Oxide 18-8 Stainless Steel construction offers excellent resistance to rust and chemicals, making it suitable for demanding sectors like electronics, automotive, and outdoor machinery. Its precise 0.094" ID and 0.312" OD dimensions ensure a snug fit on No. 2 screw sizes, distributing clamp load evenly to prevent joint failure. The Rockwell B68 hardness provides reliable performance under stress, while the flat washer design simplifies maintenance in tight spaces. Ideal for assembly lines requiring consistent, corrosion-resistant washers that meet stringent RoHS and REACH environmental guidelines.

Specification Summary & Compliance

This washer adheres to standard inch measurement tolerances, with an inner diameter of 0.094", outer diameter of 0.312", and thickness ranging from 0.050" to 0.080". It is manufactured from 18-8 Stainless Steel with a Black-Oxide finish and hardness of Rockwell B68. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and safe for industrial use.