S-90107A040 1.312" ID x 2.75" OD General Purpose Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance in harsh environments due to 316 stainless steel construction, ideal for marine and chemical applications
• Precise dimensional fit with 1.312" ID and 2.75" OD ensures reliable performance for 1 1/4" screw sizes
• Consistent load distribution across 0.118-0.132" thickness for enhanced joint integrity and vibration resistance
• Long-term durability in demanding industrial settings, reducing replacement frequency and maintenance costs
• Environmental compliance with RoHS 3 and REACH standards, supporting sustainable procurement and regulatory requirements
• Broad compatibility with inch-system fasteners, simplifying sourcing for North American and global industrial projects

Professional Applications & Engineering Value

These 316 stainless steel flat washers deliver critical protection against galvanic corrosion and chemical degradation in severe service conditions. The inch-system dimensions (1.312" ID x 2.75" OD) provide accurate alignment with 1 1/4" screw sizes, preventing loosening under dynamic loads. Engineered for marine hardware, chemical processing equipment, and industrial machinery, the washers' optimized thickness range (0.118-0.132") ensures uniform surface pressure while resisting crevice corrosion. This makes them indispensable for permanent installations where maintenance access is limited, offering reliable performance without compromising structural integrity.

Specification Summary & Compliance

Manufactured to standard inch-system flat washer dimensions with precise ID/OD tolerances. Material conforms to 316 stainless steel grade requirements for exceptional pitting resistance. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, including the latest SVHC updates. Suitable for applications requiring corrosion-resistant fastening solutions without specific hardness ratings.