S-91525A368 1.312" ID x 3" OD Oversized 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 3" OD ensures secure seating and even load distribution for 1 1/4" screws
• Enhanced durability from consistent 0.170-0.200" thickness range, providing reliable performance under mechanical stress
• Environmental compliance assurance with RoHS 3 and REACH standards, meeting strict regulatory requirements for industrial use
• Versatile inch system compatibility designed for seamless integration with standard industrial equipment and assemblies
• Optimal surface protection for connected components, reducing wear and preventing galvanic corrosion in mixed-material setups

Professional Applications & Engineering Value

This 316 stainless steel flat washer delivers critical engineering value in demanding applications where corrosion and chemical exposure are primary concerns. Its heavy-duty construction and precise inch system dimensions (1.312" ID × 3" OD) ensure perfect alignment with 1 1/4" screw sizes, preventing loosening under vibration and distributing clamp load effectively across surfaces. The marine-grade 316 stainless steel composition specifically addresses failure points in offshore equipment, chemical processing plants, and coastal infrastructure by resisting pitting and crevice corrosion from chlorides and harsh chemicals. Engineers specify this flat washer for structural connections, pump assemblies, and marine hardware where long-term reliability outweighs initial cost considerations.

Specification Summary & Compliance

This flat washer features precision inch system dimensions with 1.312" inner diameter, 3" outer diameter, and thickness ranging 0.170-0.200" specifically engineered for 1 1/4" screw applications. Manufactured from 316 stainless steel for optimal performance in corrosive environments. The product maintains full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring adherence to environmental safety standards for industrial components.