S-91525A412 0.156" ID x 0.5" OD Oversized Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction, ideal for harsh chemical and marine environments
• Precise dimensional fit with 0.156" inner diameter ensuring secure seating on No. 6 screws
• Optimal load distribution through 0.5" outer diameter design, preventing surface damage and loosening
• Enhanced durability with Rockwell B68 hardness rating, maintaining structural integrity under repeated stress
• Consistent performance with thickness tolerance of 0.050-0.080", providing reliable spacing and vibration resistance
• Environmental compliance meeting RoHS 3 and REACH standards, safe for regulated industrial applications
• Versatile inch-system compatibility designed for seamless integration with standard imperial hardware components

Professional Applications & Engineering Value

These 316 stainless steel flat washers deliver exceptional engineering value in corrosive and high-stress environments where standard fasteners fail. The marine-grade 316 stainless steel composition provides superior resistance to chlorides, acids, and extreme temperatures, making them ideal for chemical processing equipment, marine hardware, and food processing machinery. The precision 0.156" ID ensures perfect alignment with No. 6 screws, eliminating play and reducing installation time, while the 0.5" OD distributes clamping force effectively to prevent surface indentation and joint fatigue. With controlled 0.050-0.080" thickness and Rockwell B68 hardness, these washers maintain dimensional stability and load-bearing capacity in vibrating assemblies, extending equipment service life and reducing maintenance cycles in industrial applications.

Specification Summary & Compliance

This flat washer features inch-system dimensions with 0.156" inner diameter and 0.5" outer diameter, manufactured to standard flat washer specifications for No. 6 screw applications. The 316 stainless steel material provides consistent performance with Rockwell B68 hardness and thickness tolerance of 0.050-0.080". Compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and chemical restriction adherence for global industrial use.