S-91525A462 0.348" ID x 1.625" OD Oversized Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance for extended service life in harsh chemical and marine environments
• Precise dimensional fit with 0.348" ID specifically engineered for 5/16" screws to prevent loosening
• Optimal load distribution through 1.625" OD design that minimizes surface pressure and material stress
• Consistent performance maintained through controlled 0.060-0.090" thickness variation
• Environmental compliance assurance with RoHS 3 and REACH standards for regulated industrial applications
• Material integrity provided by 316 stainless steel composition for reliable performance in extreme conditions
• Versatile compatibility with inch-system fasteners across multiple industrial sectors

Professional Applications & Engineering Value

These 316 stainless steel flat washers deliver exceptional engineering value in applications where corrosion resistance and chemical stability are paramount. The marine-grade 316 stainless steel composition provides superior protection against chloride-induced stress corrosion cracking, making these flat washers ideal for chemical processing equipment, marine hardware, and coastal infrastructure. The precise 0.348" inner diameter ensures secure seating on 5/16" screws, while the generous 1.625" outer diameter effectively distributes clamping force to prevent surface damage and maintain joint integrity. These industrial washers solve critical challenges in environments where standard fasteners would rapidly degrade, offering maintenance-free performance and reduced lifecycle costs through their exceptional durability and environmental compliance.

Specification Summary & Compliance

This flat washer features inch-system dimensions with 1.625" outer diameter, 0.348" inner diameter, and thickness ranging from 0.060" to 0.090" for consistent performance. Manufactured from premium 316 stainless steel, these washers are specifically designed for use with 5/16" screws. The product maintains full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and chemical restriction adherence for industrial applications requiring the highest standards of material safety and regulatory compliance.