S-91525A107 0.174" ID x 0.75" 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 dimensional fit with a 0.174" inner diameter ensures secure seating on No. 8 screws, reducing installation errors and improving assembly reliability.
• Optimized load distribution from the 0.75" outer diameter, which helps prevent surface damage and loosening under vibration or stress.
• Consistent performance with a thickness range of 0.033" to 0.047", providing reliable spacing and shimming in various mechanical setups.
• Full regulatory compliance with RoHS 3 and REACH standards, ensuring safety and environmental responsibility for global supply chains.
• Durable, non-magnetic properties of 316 stainless steel offer long-term stability and resistance to galvanic corrosion in mixed-material assemblies.
• Broad industrial compatibility in inch-system applications, from machinery and equipment to structural and plumbing systems.

Professional Applications & Engineering Value

Engineered for demanding settings, these 316 stainless steel flat washers deliver exceptional corrosion resistance, making them indispensable in marine, chemical processing, and high-humidity environments where ordinary washers fail. The precise 0.174" ID and 0.75" OD ensure optimal load distribution, reducing stress concentrations and preventing fastener loosening in vibrating machinery. With a controlled thickness range of 0.033" to 0.047", these washers provide consistent spacing and alignment for No. 8 screws, enhancing assembly integrity in industrial equipment, plumbing, and structural applications. Their RoHS and REACH compliance further supports use in regulated sectors, offering peace of mind for engineers focused on durability and environmental standards.

Specification Summary & Compliance

This flat washer adheres to inch-system dimensions with an inner diameter of 0.174", outer diameter of 0.75", and thickness ranging from 0.033" to 0.047", designed specifically for No. 8 screw sizes. Manufactured from 316 stainless steel, it meets general industry standards for fit and function in mechanical assemblies. 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 suitable for use in environmentally conscious and international markets.