S-91525A461 0.281" ID x 1.625" OD Oversized Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance for extended service life in harsh environments including marine and chemical applications
• Precision dimensional control ensures perfect fit with 1/4" fasteners and consistent performance across assemblies
• Optimized load distribution with large 1.625" OD protecting surfaces and preventing joint loosening
• Environmental compliance assurance meeting both RoHS 3 and REACH standards for global industrial use
• Durable 316 stainless steel construction maintains integrity under extreme temperature and pressure conditions
• Versatile thickness range (0.060-0.090") accommodates various gasketing and spacing requirements
• Reliable inch system compatibility for seamless integration with existing North American equipment and standards

Professional Applications & Engineering Value

This 316 stainless steel flat washer delivers exceptional engineering value in demanding applications where corrosion resistance is critical. The marine-grade 316 stainless steel composition provides superior protection against chloride-induced stress corrosion cracking, making it ideal for offshore platforms, chemical processing equipment, and coastal infrastructure. The precise 0.281" ID ensures secure seating on 1/4" screws while the generous 1.625" OD distributes clamping force effectively across softer materials or painted surfaces. This combination prevents surface damage, reduces maintenance frequency, and extends the service life of assembled components in industrial machinery, marine hardware, and food processing equipment where regular washdowns and chemical exposure are common.

Specification Summary & Compliance

This flat washer features inch system dimensions with 0.281" internal diameter, 1.625" outer diameter, and 0.060-0.090" thickness range designed for 1/4" screw applications. Manufactured from premium 316 stainless steel, the washer complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material traceability for industrial procurement requirements. The product meets standard commercial tolerances for inch-system flat washers suitable for general industrial applications.