S-92917A205 0.5" ID x 1.125" OD General Purpose Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance from nickel-plated brass construction, ideal for humid or chemically exposed environments
• Excellent load distribution with precise 0.5" ID and 1.125" OD dimensions, preventing surface damage and loosening
• Enhanced durability with Rockwell B60 hardness, maintaining shape under repeated stress and vibration
• Reliable fit for 7/16" screws, ensuring secure fastening and reduced assembly time in industrial applications
• Consistent performance with tightly controlled 0.071-0.091" thickness, providing uniform pressure and spacing
• Environmental compliance meeting RoHS 3 and REACH standards, safe for regulated industries and global supply chains
• Long-term cost efficiency due to brass material's natural lubricity and nickel plating's wear resistance

Professional Applications & Engineering Value

This nickel-plated brass flat washer addresses critical challenges in industrial assembly where corrosion and electrical conductivity are concerns. The brass core provides inherent anti-galling properties and conductivity, while the nickel plating adds a robust barrier against oxidation and chemical degradation. Engineers value its Rockwell B60 hardness for maintaining dimensional stability under high clamp loads, preventing embedment in soft materials. Commonly specified in electrical enclosures, marine hardware, and plumbing systems, this flat washer ensures reliable performance where standard steel washers would fail due to rust or galvanic corrosion. The precise 0.5" ID and 1.125" OD dimensions guarantee optimal load distribution for 7/16" screw size applications, reducing maintenance intervals in heavy-duty equipment.

Specification Summary & Compliance

This flat washer features inch-system dimensions with 0.5" inner diameter, 1.125" outer diameter, and thickness range of 0.071-0.091". Manufactured to standard flat washer specifications for 7/16" screw size with Rockwell B60 hardness ensuring mechanical reliability. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, including the latest SVHC updates, making it suitable for environmentally conscious manufacturing and international distribution.