S-91525A474 0.188" ID x 2" OD Oversized Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance in harsh environments due to 316 stainless steel construction, ideal for marine, chemical, and outdoor applications.
• Precise fit for No. 8 screws with a 0.188" inner diameter, ensuring secure fastening and even load distribution.
• Large 2" outer diameter provides a broad bearing surface, reducing surface pressure and preventing damage to assembled materials.
• Consistent thickness (0.039-0.052") guarantees reliable performance and uniform spacing in repetitive assembly operations.
• Compliance with RoHS 3 and REACH regulations ensures environmental safety and unrestricted use in global markets.
• Durability in inch-system applications, maintaining dimensional stability and strength under various industrial conditions.
• Versatile for multiple industries, from construction to machinery, thanks to its robust material and standardized sizing.

Professional Applications & Engineering Value

This 316 stainless steel flat washer is engineered to address common industrial challenges such as galvanic corrosion, material degradation, and fastener failure. Its high molybdenum content in the 316 grade offers enhanced resistance to chlorides and acidic conditions, making it suitable for marine hardware, chemical processing equipment, and food industry machinery. The flat washer design with a 0.188" ID ensures a snug fit for No. 8 screw sizes, distributing clamp load effectively to prevent loosening under vibration. By utilizing inch-system measurements, it integrates seamlessly into existing assemblies, reducing installation errors and maintenance costs. The precise thickness range (0.039-0.052") allows for consistent gapping, crucial in electrical enclosures and structural frameworks where even slight misalignments can compromise integrity.

Specification Summary & Compliance

This flat washer adheres to standard inch-system dimensions with an inner diameter of 0.188", outer diameter of 2", and thickness ranging from 0.039" to 0.052". It is designed for use with No. 8 screw sizes and manufactured from 316 stainless steel for reliable performance. The product conforms to RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring it is free from hazardous substances and suitable for international industrial applications.